Home / 2,639,658.16-3,642,728.22-1,432,434.16

Finding the Fourth Proportional to 2,639,658.16, 3,642,728.22 and 1,432,434.16

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Solution

The fourth proportional to 2,639,658.16, 3,642,728.22 and 1,432,434.16 is: 1,976,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,658.16 : 3,642,728.22 = 1,432,434.16 : x
  2. Step 2: Convert to fraction form
    2,639,658.16/3,642,728.22 = 1,432,434.16/x
  3. Step 3: Cross multiply
    2,639,658.16x = 3,642,728.22 × 1,432,434.16
  4. Step 4: Simplify right side
    2,639,658.16x = 5,217,968,337,924.00
  5. Step 5: Solve for x
    x = 5,217,968,337,924.00/2,639,658.16
  6. Step 6: Final answer
    x = 1,976,759.12

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1.5x scale

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.