Home / 3,478,982.40-5,218,473.60-920,192.40

Finding the Fourth Proportional to 3,478,982.40, 5,218,473.60 and 920,192.40

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Solution

The fourth proportional to 3,478,982.40, 5,218,473.60 and 920,192.40 is: 1,380,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,982.40 : 5,218,473.60 = 920,192.40 : x
  2. Step 2: Convert to fraction form
    3,478,982.40/5,218,473.60 = 920,192.40/x
  3. Step 3: Cross multiply
    3,478,982.40x = 5,218,473.60 × 920,192.40
  4. Step 4: Simplify right side
    3,478,982.40x = 4,801,999,746,320.64
  5. Step 5: Solve for x
    x = 4,801,999,746,320.64/3,478,982.40
  6. Step 6: Final answer
    x = 1,380,288.60

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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.