Home / 6,472,340.80-9,712,010.40-2,878,662.40

Finding the Fourth Proportional to 6,472,340.80, 9,712,010.40 and 2,878,662.40

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Solution

The fourth proportional to 6,472,340.80, 9,712,010.40 and 2,878,662.40 is: 4,319,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,340.80 : 9,712,010.40 = 2,878,662.40 : x
  2. Step 2: Convert to fraction form
    6,472,340.80/9,712,010.40 = 2,878,662.40/x
  3. Step 3: Cross multiply
    6,472,340.80x = 9,712,010.40 × 2,878,662.40
  4. Step 4: Simplify right side
    6,472,340.80x = 27,957,599,166,888.96
  5. Step 5: Solve for x
    x = 27,957,599,166,888.96/6,472,340.80
  6. Step 6: Final answer
    x = 4,319,549.92

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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.