Home / 6,143,472.74-8,477,934.86-3,390,184.73

Finding the Fourth Proportional to 6,143,472.74, 8,477,934.86 and 3,390,184.73

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Solution

The fourth proportional to 6,143,472.74, 8,477,934.86 and 3,390,184.73 is: 4,678,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,472.74 : 8,477,934.86 = 3,390,184.73 : x
  2. Step 2: Convert to fraction form
    6,143,472.74/8,477,934.86 = 3,390,184.73/x
  3. Step 3: Cross multiply
    6,143,472.74x = 8,477,934.86 × 3,390,184.73
  4. Step 4: Simplify right side
    6,143,472.74x = 28,741,765,333,976.99
  5. Step 5: Solve for x
    x = 28,741,765,333,976.99/6,143,472.74
  6. Step 6: Final answer
    x = 4,678,423.19

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Why These Related Problems?

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