Home / 7,280,494.80-10,920,742.20-2,487,465.60

Finding the Fourth Proportional to 7,280,494.80, 10,920,742.20 and 2,487,465.60

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Solution

The fourth proportional to 7,280,494.80, 10,920,742.20 and 2,487,465.60 is: 3,731,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,494.80 : 10,920,742.20 = 2,487,465.60 : x
  2. Step 2: Convert to fraction form
    7,280,494.80/10,920,742.20 = 2,487,465.60/x
  3. Step 3: Cross multiply
    7,280,494.80x = 10,920,742.20 × 2,487,465.60
  4. Step 4: Simplify right side
    7,280,494.80x = 27,164,970,548,968.32
  5. Step 5: Solve for x
    x = 27,164,970,548,968.32/7,280,494.80
  6. Step 6: Final answer
    x = 3,731,198.40

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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.