Home / 2,139,587.43-2,952,624.53-1,172,714.73

Finding the Fourth Proportional to 2,139,587.43, 2,952,624.53 and 1,172,714.73

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Solution

The fourth proportional to 2,139,587.43, 2,952,624.53 and 1,172,714.73 is: 1,618,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,587.43 : 2,952,624.53 = 1,172,714.73 : x
  2. Step 2: Convert to fraction form
    2,139,587.43/2,952,624.53 = 1,172,714.73/x
  3. Step 3: Cross multiply
    2,139,587.43x = 2,952,624.53 × 1,172,714.73
  4. Step 4: Simplify right side
    2,139,587.43x = 3,462,586,272,626.75
  5. Step 5: Solve for x
    x = 3,462,586,272,626.75/2,139,587.43
  6. Step 6: Final answer
    x = 1,618,342.97

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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.