Home / 5,238,155.20-7,228,581.60-2,946,317.44

Finding the Fourth Proportional to 5,238,155.20, 7,228,581.60 and 2,946,317.44

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Solution

The fourth proportional to 5,238,155.20, 7,228,581.60 and 2,946,317.44 is: 4,065,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,155.20 : 7,228,581.60 = 2,946,317.44 : x
  2. Step 2: Convert to fraction form
    5,238,155.20/7,228,581.60 = 2,946,317.44/x
  3. Step 3: Cross multiply
    5,238,155.20x = 7,228,581.60 × 2,946,317.44
  4. Step 4: Simplify right side
    5,238,155.20x = 21,297,696,034,543.10
  5. Step 5: Solve for x
    x = 21,297,696,034,543.10/5,238,155.20
  6. Step 6: Final answer
    x = 4,065,877.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.