Home / 3,126,643.20-4,689,964.80-2,952,460.80

Finding the Fourth Proportional to 3,126,643.20, 4,689,964.80 and 2,952,460.80

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Solution

The fourth proportional to 3,126,643.20, 4,689,964.80 and 2,952,460.80 is: 4,428,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,643.20 : 4,689,964.80 = 2,952,460.80 : x
  2. Step 2: Convert to fraction form
    3,126,643.20/4,689,964.80 = 2,952,460.80/x
  3. Step 3: Cross multiply
    3,126,643.20x = 4,689,964.80 × 2,952,460.80
  4. Step 4: Simplify right side
    3,126,643.20x = 13,846,937,225,379.84
  5. Step 5: Solve for x
    x = 13,846,937,225,379.84/3,126,643.20
  6. Step 6: Final answer
    x = 4,428,691.20

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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.