Home / 6,126,981.28-8,439,662.93-4,674,154.45

Finding the Fourth Proportional to 6,126,981.28, 8,439,662.93 and 4,674,154.45

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Solution

The fourth proportional to 6,126,981.28, 8,439,662.93 and 4,674,154.45 is: 6,438,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126,981.28 : 8,439,662.93 = 4,674,154.45 : x
  2. Step 2: Convert to fraction form
    6,126,981.28/8,439,662.93 = 4,674,154.45/x
  3. Step 3: Cross multiply
    6,126,981.28x = 8,439,662.93 × 4,674,154.45
  4. Step 4: Simplify right side
    6,126,981.28x = 39,448,288,031,345.76
  5. Step 5: Solve for x
    x = 39,448,288,031,345.76/6,126,981.28
  6. Step 6: Final answer
    x = 6,438,454.15

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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.