Home / 5,458,046.80-8,187,070.20-1,620,007.60

Finding the Fourth Proportional to 5,458,046.80, 8,187,070.20 and 1,620,007.60

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Solution

The fourth proportional to 5,458,046.80, 8,187,070.20 and 1,620,007.60 is: 2,430,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,046.80 : 8,187,070.20 = 1,620,007.60 : x
  2. Step 2: Convert to fraction form
    5,458,046.80/8,187,070.20 = 1,620,007.60/x
  3. Step 3: Cross multiply
    5,458,046.80x = 8,187,070.20 × 1,620,007.60
  4. Step 4: Simplify right side
    5,458,046.80x = 13,263,115,945,733.52
  5. Step 5: Solve for x
    x = 13,263,115,945,733.52/5,458,046.80
  6. Step 6: Final answer
    x = 2,430,011.40

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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.