Home / 2,952,390.90-4,428,586.35-822,803.70

Finding the Fourth Proportional to 2,952,390.90, 4,428,586.35 and 822,803.70

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Solution

The fourth proportional to 2,952,390.90, 4,428,586.35 and 822,803.70 is: 1,234,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,390.90 : 4,428,586.35 = 822,803.70 : x
  2. Step 2: Convert to fraction form
    2,952,390.90/4,428,586.35 = 822,803.70/x
  3. Step 3: Cross multiply
    2,952,390.90x = 4,428,586.35 × 822,803.70
  4. Step 4: Simplify right side
    2,952,390.90x = 3,643,857,234,549.49
  5. Step 5: Solve for x
    x = 3,643,857,234,549.49/2,952,390.90
  6. Step 6: Final answer
    x = 1,234,205.55

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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.