Home / 1,897,602.57-2,618,753.64-1,038,142.89

Finding the Fourth Proportional to 1,897,602.57, 2,618,753.64 and 1,038,142.89

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Solution

The fourth proportional to 1,897,602.57, 2,618,753.64 and 1,038,142.89 is: 1,432,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,602.57 : 2,618,753.64 = 1,038,142.89 : x
  2. Step 2: Convert to fraction form
    1,897,602.57/2,618,753.64 = 1,038,142.89/x
  3. Step 3: Cross multiply
    1,897,602.57x = 2,618,753.64 × 1,038,142.89
  4. Step 4: Simplify right side
    1,897,602.57x = 2,718,640,472,027.62
  5. Step 5: Solve for x
    x = 2,718,640,472,027.62/1,897,602.57
  6. Step 6: Final answer
    x = 1,432,671.16

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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.