Home / 4,653,379.80-6,980,225.22-1,287,304.92

Finding the Fourth Proportional to 4,653,379.80, 6,980,225.22 and 1,287,304.92

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Solution

The fourth proportional to 4,653,379.80, 6,980,225.22 and 1,287,304.92 is: 1,931,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,379.80 : 6,980,225.22 = 1,287,304.92 : x
  2. Step 2: Convert to fraction form
    4,653,379.80/6,980,225.22 = 1,287,304.92/x
  3. Step 3: Cross multiply
    4,653,379.80x = 6,980,225.22 × 1,287,304.92
  4. Step 4: Simplify right side
    4,653,379.80x = 8,985,678,268,414.08
  5. Step 5: Solve for x
    x = 8,985,678,268,414.08/4,653,379.80
  6. Step 6: Final answer
    x = 1,931,000.40

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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.