Home / 5,433,221.40-8,140,500.90-2,870,640.60

Finding the Fourth Proportional to 5,433,221.40, 8,140,500.90 and 2,870,640.60

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Solution

The fourth proportional to 5,433,221.40, 8,140,500.90 and 2,870,640.60 is: 4,301,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,221.40 : 8,140,500.90 = 2,870,640.60 : x
  2. Step 2: Convert to fraction form
    5,433,221.40/8,140,500.90 = 2,870,640.60/x
  3. Step 3: Cross multiply
    5,433,221.40x = 8,140,500.90 × 2,870,640.60
  4. Step 4: Simplify right side
    5,433,221.40x = 23,368,452,387,876.54
  5. Step 5: Solve for x
    x = 23,368,452,387,876.54/5,433,221.40
  6. Step 6: Final answer
    x = 4,301,030.76

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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.