Home / 4,815,155.52-7,220,633.50-1,821,240

Finding the Fourth Proportional to 4,815,155.52, 7,220,633.50 and 1,821,240

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Solution

The fourth proportional to 4,815,155.52, 7,220,633.50 and 1,821,240 is: 2,731,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,155.52 : 7,220,633.50 = 1,821,240 : x
  2. Step 2: Convert to fraction form
    4,815,155.52/7,220,633.50 = 1,821,240/x
  3. Step 3: Cross multiply
    4,815,155.52x = 7,220,633.50 × 1,821,240
  4. Step 4: Simplify right side
    4,815,155.52x = 13,150,506,555,540
  5. Step 5: Solve for x
    x = 13,150,506,555,540/4,815,155.52
  6. Step 6: Final answer
    x = 2,731,065.80

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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.