Home / 2,921,416.40-4,382,124.60-926,872.40

Finding the Fourth Proportional to 2,921,416.40, 4,382,124.60 and 926,872.40

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Solution

The fourth proportional to 2,921,416.40, 4,382,124.60 and 926,872.40 is: 1,390,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,416.40 : 4,382,124.60 = 926,872.40 : x
  2. Step 2: Convert to fraction form
    2,921,416.40/4,382,124.60 = 926,872.40/x
  3. Step 3: Cross multiply
    2,921,416.40x = 4,382,124.60 × 926,872.40
  4. Step 4: Simplify right side
    2,921,416.40x = 4,061,670,345,101.04
  5. Step 5: Solve for x
    x = 4,061,670,345,101.04/2,921,416.40
  6. Step 6: Final answer
    x = 1,390,308.60

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Similar ratio
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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.