Home / 3,938,802.30-5,435,542.80-2,127,966.30

Finding the Fourth Proportional to 3,938,802.30, 5,435,542.80 and 2,127,966.30

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Solution

The fourth proportional to 3,938,802.30, 5,435,542.80 and 2,127,966.30 is: 2,936,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,802.30 : 5,435,542.80 = 2,127,966.30 : x
  2. Step 2: Convert to fraction form
    3,938,802.30/5,435,542.80 = 2,127,966.30/x
  3. Step 3: Cross multiply
    3,938,802.30x = 5,435,542.80 × 2,127,966.30
  4. Step 4: Simplify right side
    3,938,802.30x = 11,566,651,900,607.64
  5. Step 5: Solve for x
    x = 11,566,651,900,607.64/3,938,802.30
  6. Step 6: Final answer
    x = 2,936,591.13

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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.