Home / 3,428,416.80-4,730,896.80-1,900,393.92

Finding the Fourth Proportional to 3,428,416.80, 4,730,896.80 and 1,900,393.92

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Solution

The fourth proportional to 3,428,416.80, 4,730,896.80 and 1,900,393.92 is: 2,622,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,416.80 : 4,730,896.80 = 1,900,393.92 : x
  2. Step 2: Convert to fraction form
    3,428,416.80/4,730,896.80 = 1,900,393.92/x
  3. Step 3: Cross multiply
    3,428,416.80x = 4,730,896.80 × 1,900,393.92
  4. Step 4: Simplify right side
    3,428,416.80x = 8,990,567,514,867.46
  5. Step 5: Solve for x
    x = 8,990,567,514,867.46/3,428,416.80
  6. Step 6: Final answer
    x = 2,622,367.13

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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.