Home / 2,421,423.60-3,629,543.40-822,505.20

Finding the Fourth Proportional to 2,421,423.60, 3,629,543.40 and 822,505.20

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Solution

The fourth proportional to 2,421,423.60, 3,629,543.40 and 822,505.20 is: 1,232,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,423.60 : 3,629,543.40 = 822,505.20 : x
  2. Step 2: Convert to fraction form
    2,421,423.60/3,629,543.40 = 822,505.20/x
  3. Step 3: Cross multiply
    2,421,423.60x = 3,629,543.40 × 822,505.20
  4. Step 4: Simplify right side
    2,421,423.60x = 2,985,318,320,125.68
  5. Step 5: Solve for x
    x = 2,985,318,320,125.68/2,421,423.60
  6. Step 6: Final answer
    x = 1,232,877.35

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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.