Home / 2,921,391.40-4,382,087.10-926,847.40

Finding the Fourth Proportional to 2,921,391.40, 4,382,087.10 and 926,847.40

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Solution

The fourth proportional to 2,921,391.40, 4,382,087.10 and 926,847.40 is: 1,390,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,391.40 : 4,382,087.10 = 926,847.40 : x
  2. Step 2: Convert to fraction form
    2,921,391.40/4,382,087.10 = 926,847.40/x
  3. Step 3: Cross multiply
    2,921,391.40x = 4,382,087.10 × 926,847.40
  4. Step 4: Simplify right side
    2,921,391.40x = 4,061,526,035,208.54
  5. Step 5: Solve for x
    x = 4,061,526,035,208.54/2,921,391.40
  6. Step 6: Final answer
    x = 1,390,271.10

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Double scale
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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.