Home / 5,178,739.57-7,149,111.95-3,002,488.68

Finding the Fourth Proportional to 5,178,739.57, 7,149,111.95 and 3,002,488.68

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Solution

The fourth proportional to 5,178,739.57, 7,149,111.95 and 3,002,488.68 is: 4,144,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,739.57 : 7,149,111.95 = 3,002,488.68 : x
  2. Step 2: Convert to fraction form
    5,178,739.57/7,149,111.95 = 3,002,488.68/x
  3. Step 3: Cross multiply
    5,178,739.57x = 7,149,111.95 × 3,002,488.68
  4. Step 4: Simplify right side
    5,178,739.57x = 21,465,127,651,169.72
  5. Step 5: Solve for x
    x = 21,465,127,651,169.72/5,178,739.57
  6. Step 6: Final answer
    x = 4,144,855.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.