Home / 3,250,340.98-4,478,248.27-2,145,805.21

Finding the Fourth Proportional to 3,250,340.98, 4,478,248.27 and 2,145,805.21

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Solution

The fourth proportional to 3,250,340.98, 4,478,248.27 and 2,145,805.21 is: 2,956,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250,340.98 : 4,478,248.27 = 2,145,805.21 : x
  2. Step 2: Convert to fraction form
    3,250,340.98/4,478,248.27 = 2,145,805.21/x
  3. Step 3: Cross multiply
    3,250,340.98x = 4,478,248.27 × 2,145,805.21
  4. Step 4: Simplify right side
    3,250,340.98x = 9,609,448,458,710.46
  5. Step 5: Solve for x
    x = 9,609,448,458,710.46/3,250,340.98
  6. Step 6: Final answer
    x = 2,956,443.20

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Double scale
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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.