Home / 2,115,577.71-2,918,776.28-1,352,071.71

Finding the Fourth Proportional to 2,115,577.71, 2,918,776.28 and 1,352,071.71

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Solution

The fourth proportional to 2,115,577.71, 2,918,776.28 and 1,352,071.71 is: 1,865,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,577.71 : 2,918,776.28 = 1,352,071.71 : x
  2. Step 2: Convert to fraction form
    2,115,577.71/2,918,776.28 = 1,352,071.71/x
  3. Step 3: Cross multiply
    2,115,577.71x = 2,918,776.28 × 1,352,071.71
  4. Step 4: Simplify right side
    2,115,577.71x = 3,946,394,829,246.68
  5. Step 5: Solve for x
    x = 3,946,394,829,246.68/2,115,577.71
  6. Step 6: Final answer
    x = 1,865,398.19

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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.