Home / 6,487,870.79-9,732,387.44-1,876,784.61

Finding the Fourth Proportional to 6,487,870.79, 9,732,387.44 and 1,876,784.61

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Solution

The fourth proportional to 6,487,870.79, 9,732,387.44 and 1,876,784.61 is: 2,815,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487,870.79 : 9,732,387.44 = 1,876,784.61 : x
  2. Step 2: Convert to fraction form
    6,487,870.79/9,732,387.44 = 1,876,784.61/x
  3. Step 3: Cross multiply
    6,487,870.79x = 9,732,387.44 × 1,876,784.61
  4. Step 4: Simplify right side
    6,487,870.79x = 18,265,594,970,641.26
  5. Step 5: Solve for x
    x = 18,265,594,970,641.26/6,487,870.79
  6. Step 6: Final answer
    x = 2,815,345.06

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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.