Home / 4,852,003.80-7,278,005.70-1,257,742.20

Finding the Fourth Proportional to 4,852,003.80, 7,278,005.70 and 1,257,742.20

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Solution

The fourth proportional to 4,852,003.80, 7,278,005.70 and 1,257,742.20 is: 1,886,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852,003.80 : 7,278,005.70 = 1,257,742.20 : x
  2. Step 2: Convert to fraction form
    4,852,003.80/7,278,005.70 = 1,257,742.20/x
  3. Step 3: Cross multiply
    4,852,003.80x = 7,278,005.70 × 1,257,742.20
  4. Step 4: Simplify right side
    4,852,003.80x = 9,153,854,900,730.54
  5. Step 5: Solve for x
    x = 9,153,854,900,730.54/4,852,003.80
  6. Step 6: Final answer
    x = 1,886,613.30

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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.