Home / 4,260,665.84-6,391,711.56-1,421,648.24

Finding the Fourth Proportional to 4,260,665.84, 6,391,711.56 and 1,421,648.24

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Solution

The fourth proportional to 4,260,665.84, 6,391,711.56 and 1,421,648.24 is: 2,132,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,665.84 : 6,391,711.56 = 1,421,648.24 : x
  2. Step 2: Convert to fraction form
    4,260,665.84/6,391,711.56 = 1,421,648.24/x
  3. Step 3: Cross multiply
    4,260,665.84x = 6,391,711.56 × 1,421,648.24
  4. Step 4: Simplify right side
    4,260,665.84x = 9,086,765,489,861.65
  5. Step 5: Solve for x
    x = 9,086,765,489,861.65/4,260,665.84
  6. Step 6: Final answer
    x = 2,132,710.20

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1.5x scale

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.