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Finding the Fourth Proportional to 2,788,325.80, 4,182,488.70 and 2,079,737.80

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Solution

The fourth proportional to 2,788,325.80, 4,182,488.70 and 2,079,737.80 is: 3,119,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,325.80 : 4,182,488.70 = 2,079,737.80 : x
  2. Step 2: Convert to fraction form
    2,788,325.80/4,182,488.70 = 2,079,737.80/x
  3. Step 3: Cross multiply
    2,788,325.80x = 4,182,488.70 × 2,079,737.80
  4. Step 4: Simplify right side
    2,788,325.80x = 8,698,479,847,462.86
  5. Step 5: Solve for x
    x = 8,698,479,847,462.86/2,788,325.80
  6. Step 6: Final answer
    x = 3,119,606.70

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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.