Home / 4,872,256.70-7,308,385.05-1,326,400.70

Finding the Fourth Proportional to 4,872,256.70, 7,308,385.05 and 1,326,400.70

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Solution

The fourth proportional to 4,872,256.70, 7,308,385.05 and 1,326,400.70 is: 1,989,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,256.70 : 7,308,385.05 = 1,326,400.70 : x
  2. Step 2: Convert to fraction form
    4,872,256.70/7,308,385.05 = 1,326,400.70/x
  3. Step 3: Cross multiply
    4,872,256.70x = 7,308,385.05 × 1,326,400.70
  4. Step 4: Simplify right side
    4,872,256.70x = 9,693,847,046,189.54
  5. Step 5: Solve for x
    x = 9,693,847,046,189.54/4,872,256.70
  6. Step 6: Final answer
    x = 1,989,601.05

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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.