Home / 3,153,808.80-4,728,121.20-1,358,071.20

Finding the Fourth Proportional to 3,153,808.80, 4,728,121.20 and 1,358,071.20

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Solution

The fourth proportional to 3,153,808.80, 4,728,121.20 and 1,358,071.20 is: 2,035,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,808.80 : 4,728,121.20 = 1,358,071.20 : x
  2. Step 2: Convert to fraction form
    3,153,808.80/4,728,121.20 = 1,358,071.20/x
  3. Step 3: Cross multiply
    3,153,808.80x = 4,728,121.20 × 1,358,071.20
  4. Step 4: Simplify right side
    3,153,808.80x = 6,421,125,231,829.44
  5. Step 5: Solve for x
    x = 6,421,125,231,829.44/3,153,808.80
  6. Step 6: Final answer
    x = 2,035,990.65

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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.