Home / 1,930,490.61-2,663,961.17-1,070,999.61

Finding the Fourth Proportional to 1,930,490.61, 2,663,961.17 and 1,070,999.61

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Solution

The fourth proportional to 1,930,490.61, 2,663,961.17 and 1,070,999.61 is: 1,477,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,490.61 : 2,663,961.17 = 1,070,999.61 : x
  2. Step 2: Convert to fraction form
    1,930,490.61/2,663,961.17 = 1,070,999.61/x
  3. Step 3: Cross multiply
    1,930,490.61x = 2,663,961.17 × 1,070,999.61
  4. Step 4: Simplify right side
    1,930,490.61x = 2,853,101,374,125.14
  5. Step 5: Solve for x
    x = 2,853,101,374,125.14/1,930,490.61
  6. Step 6: Final answer
    x = 1,477,915.18

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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.