Home / 4,442,542.20-6,666,923.70-1,920,007.80

Finding the Fourth Proportional to 4,442,542.20, 6,666,923.70 and 1,920,007.80

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Solution

The fourth proportional to 4,442,542.20, 6,666,923.70 and 1,920,007.80 is: 2,881,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442,542.20 : 6,666,923.70 = 1,920,007.80 : x
  2. Step 2: Convert to fraction form
    4,442,542.20/6,666,923.70 = 1,920,007.80/x
  3. Step 3: Cross multiply
    4,442,542.20x = 6,666,923.70 × 1,920,007.80
  4. Step 4: Simplify right side
    4,442,542.20x = 12,800,545,506,004.86
  5. Step 5: Solve for x
    x = 12,800,545,506,004.86/4,442,542.20
  6. Step 6: Final answer
    x = 2,881,355.97

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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.