Home / 4,001,666-6,000,630.72-1,442,543.90

Finding the Fourth Proportional to 4,001,666, 6,000,630.72 and 1,442,543.90

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Solution

The fourth proportional to 4,001,666, 6,000,630.72 and 1,442,543.90 is: 2,163,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,666 : 6,000,630.72 = 1,442,543.90 : x
  2. Step 2: Convert to fraction form
    4,001,666/6,000,630.72 = 1,442,543.90/x
  3. Step 3: Cross multiply
    4,001,666x = 6,000,630.72 × 1,442,543.90
  4. Step 4: Simplify right side
    4,001,666x = 8,656,173,241,288.61
  5. Step 5: Solve for x
    x = 8,656,173,241,288.61/4,001,666
  6. Step 6: Final answer
    x = 2,163,142.36

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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.