Home / 2,664,387.71-3,676,852.44-1,440,690.31

Finding the Fourth Proportional to 2,664,387.71, 3,676,852.44 and 1,440,690.31

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Solution

The fourth proportional to 2,664,387.71, 3,676,852.44 and 1,440,690.31 is: 1,988,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,387.71 : 3,676,852.44 = 1,440,690.31 : x
  2. Step 2: Convert to fraction form
    2,664,387.71/3,676,852.44 = 1,440,690.31/x
  3. Step 3: Cross multiply
    2,664,387.71x = 3,676,852.44 × 1,440,690.31
  4. Step 4: Simplify right side
    2,664,387.71x = 5,297,205,681,607.86
  5. Step 5: Solve for x
    x = 5,297,205,681,607.86/2,664,387.71
  6. Step 6: Final answer
    x = 1,988,151.22

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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.