Home / 2,087,644.59-3,129,935.99-666,881.91

Finding the Fourth Proportional to 2,087,644.59, 3,129,935.99 and 666,881.91

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Solution

The fourth proportional to 2,087,644.59, 3,129,935.99 and 666,881.91 is: 999,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,644.59 : 3,129,935.99 = 666,881.91 : x
  2. Step 2: Convert to fraction form
    2,087,644.59/3,129,935.99 = 666,881.91/x
  3. Step 3: Cross multiply
    2,087,644.59x = 3,129,935.99 × 666,881.91
  4. Step 4: Simplify right side
    2,087,644.59x = 2,087,297,687,854.53
  5. Step 5: Solve for x
    x = 2,087,297,687,854.53/2,087,644.59
  6. Step 6: Final answer
    x = 999,833.83

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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.