Home / 1,897,381.60-2,618,378.78-1,026,217.26

Finding the Fourth Proportional to 1,897,381.60, 2,618,378.78 and 1,026,217.26

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Solution

The fourth proportional to 1,897,381.60, 2,618,378.78 and 1,026,217.26 is: 1,416,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,381.60 : 2,618,378.78 = 1,026,217.26 : x
  2. Step 2: Convert to fraction form
    1,897,381.60/2,618,378.78 = 1,026,217.26/x
  3. Step 3: Cross multiply
    1,897,381.60x = 2,618,378.78 × 1,026,217.26
  4. Step 4: Simplify right side
    1,897,381.60x = 2,687,025,497,253.74
  5. Step 5: Solve for x
    x = 2,687,025,497,253.74/1,897,381.60
  6. Step 6: Final answer
    x = 1,416,175.58

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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.