Home / 4,538,417.20-6,807,625.80-4,191,996.40

Finding the Fourth Proportional to 4,538,417.20, 6,807,625.80 and 4,191,996.40

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Solution

The fourth proportional to 4,538,417.20, 6,807,625.80 and 4,191,996.40 is: 6,287,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538,417.20 : 6,807,625.80 = 4,191,996.40 : x
  2. Step 2: Convert to fraction form
    4,538,417.20/6,807,625.80 = 4,191,996.40/x
  3. Step 3: Cross multiply
    4,538,417.20x = 6,807,625.80 × 4,191,996.40
  4. Step 4: Simplify right side
    4,538,417.20x = 28,537,542,846,147.12
  5. Step 5: Solve for x
    x = 28,537,542,846,147.12/4,538,417.20
  6. Step 6: Final answer
    x = 6,287,994.60

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Similar ratio
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1.5x scale

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.