Home / 3,510,543.60-5,265,815.40-1,379,530.80

Finding the Fourth Proportional to 3,510,543.60, 5,265,815.40 and 1,379,530.80

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Solution

The fourth proportional to 3,510,543.60, 5,265,815.40 and 1,379,530.80 is: 2,069,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,543.60 : 5,265,815.40 = 1,379,530.80 : x
  2. Step 2: Convert to fraction form
    3,510,543.60/5,265,815.40 = 1,379,530.80/x
  3. Step 3: Cross multiply
    3,510,543.60x = 5,265,815.40 × 1,379,530.80
  4. Step 4: Simplify right side
    3,510,543.60x = 7,264,354,531,414.32
  5. Step 5: Solve for x
    x = 7,264,354,531,414.32/3,510,543.60
  6. Step 6: Final answer
    x = 2,069,296.20

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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.