Home / 1,980,232.97-2,970,989.15-915,973.16

Finding the Fourth Proportional to 1,980,232.97, 2,970,989.15 and 915,973.16

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Solution

The fourth proportional to 1,980,232.97, 2,970,989.15 and 915,973.16 is: 1,374,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,232.97 : 2,970,989.15 = 915,973.16 : x
  2. Step 2: Convert to fraction form
    1,980,232.97/2,970,989.15 = 915,973.16/x
  3. Step 3: Cross multiply
    1,980,232.97x = 2,970,989.15 × 915,973.16
  4. Step 4: Simplify right side
    1,980,232.97x = 2,721,346,300,616.40
  5. Step 5: Solve for x
    x = 2,721,346,300,616.40/1,980,232.97
  6. Step 6: Final answer
    x = 1,374,255.63

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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.