Home / 2,193,123.10-3,289,684.65-1,308,387.10

Finding the Fourth Proportional to 2,193,123.10, 3,289,684.65 and 1,308,387.10

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Solution

The fourth proportional to 2,193,123.10, 3,289,684.65 and 1,308,387.10 is: 1,962,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,123.10 : 3,289,684.65 = 1,308,387.10 : x
  2. Step 2: Convert to fraction form
    2,193,123.10/3,289,684.65 = 1,308,387.10/x
  3. Step 3: Cross multiply
    2,193,123.10x = 3,289,684.65 × 1,308,387.10
  4. Step 4: Simplify right side
    2,193,123.10x = 4,304,180,959,128.02
  5. Step 5: Solve for x
    x = 4,304,180,959,128.02/2,193,123.10
  6. Step 6: Final answer
    x = 1,962,580.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.