Home / 2,128,506.59-2,936,952.35-1,257,483.10

Finding the Fourth Proportional to 2,128,506.59, 2,936,952.35 and 1,257,483.10

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Solution

The fourth proportional to 2,128,506.59, 2,936,952.35 and 1,257,483.10 is: 1,735,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,506.59 : 2,936,952.35 = 1,257,483.10 : x
  2. Step 2: Convert to fraction form
    2,128,506.59/2,936,952.35 = 1,257,483.10/x
  3. Step 3: Cross multiply
    2,128,506.59x = 2,936,952.35 × 1,257,483.10
  4. Step 4: Simplify right side
    2,128,506.59x = 3,693,167,930,425.99
  5. Step 5: Solve for x
    x = 3,693,167,930,425.99/2,128,506.59
  6. Step 6: Final answer
    x = 1,735,098.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.