Home / 1,700,381.78-2,547,773.25-1,188,098.90

Finding the Fourth Proportional to 1,700,381.78, 2,547,773.25 and 1,188,098.90

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Solution

The fourth proportional to 1,700,381.78, 2,547,773.25 and 1,188,098.90 is: 1,780,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,381.78 : 2,547,773.25 = 1,188,098.90 : x
  2. Step 2: Convert to fraction form
    1,700,381.78/2,547,773.25 = 1,188,098.90/x
  3. Step 3: Cross multiply
    1,700,381.78x = 2,547,773.25 × 1,188,098.90
  4. Step 4: Simplify right side
    1,700,381.78x = 3,027,006,595,774.43
  5. Step 5: Solve for x
    x = 3,027,006,595,774.43/1,700,381.78
  6. Step 6: Final answer
    x = 1,780,192.33

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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.