Home / 1,534,981.31-2,117,620.73-1,126,373.16

Finding the Fourth Proportional to 1,534,981.31, 2,117,620.73 and 1,126,373.16

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Solution

The fourth proportional to 1,534,981.31, 2,117,620.73 and 1,126,373.16 is: 1,553,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,981.31 : 2,117,620.73 = 1,126,373.16 : x
  2. Step 2: Convert to fraction form
    1,534,981.31/2,117,620.73 = 1,126,373.16/x
  3. Step 3: Cross multiply
    1,534,981.31x = 2,117,620.73 × 1,126,373.16
  4. Step 4: Simplify right side
    1,534,981.31x = 2,385,231,153,331.61
  5. Step 5: Solve for x
    x = 2,385,231,153,331.61/1,534,981.31
  6. Step 6: Final answer
    x = 1,553,915.44

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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.