Home / 3,006,387.20-4,509,580.80-876,686.60

Finding the Fourth Proportional to 3,006,387.20, 4,509,580.80 and 876,686.60

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Solution

The fourth proportional to 3,006,387.20, 4,509,580.80 and 876,686.60 is: 1,315,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006,387.20 : 4,509,580.80 = 876,686.60 : x
  2. Step 2: Convert to fraction form
    3,006,387.20/4,509,580.80 = 876,686.60/x
  3. Step 3: Cross multiply
    3,006,387.20x = 4,509,580.80 × 876,686.60
  4. Step 4: Simplify right side
    3,006,387.20x = 3,953,489,058,977.28
  5. Step 5: Solve for x
    x = 3,953,489,058,977.28/3,006,387.20
  6. Step 6: Final answer
    x = 1,315,029.90

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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.