Home / 4,257,200.80-6,390,466.80-2,661,565.60

Finding the Fourth Proportional to 4,257,200.80, 6,390,466.80 and 2,661,565.60

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Solution

The fourth proportional to 4,257,200.80, 6,390,466.80 and 2,661,565.60 is: 3,995,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,200.80 : 6,390,466.80 = 2,661,565.60 : x
  2. Step 2: Convert to fraction form
    4,257,200.80/6,390,466.80 = 2,661,565.60/x
  3. Step 3: Cross multiply
    4,257,200.80x = 6,390,466.80 × 2,661,565.60
  4. Step 4: Simplify right side
    4,257,200.80x = 17,008,646,602,822.08
  5. Step 5: Solve for x
    x = 17,008,646,602,822.08/4,257,200.80
  6. Step 6: Final answer
    x = 3,995,265.29

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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.