Home / 3,072,379.28-4,608,569.40-828,517.52

Finding the Fourth Proportional to 3,072,379.28, 4,608,569.40 and 828,517.52

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Solution

The fourth proportional to 3,072,379.28, 4,608,569.40 and 828,517.52 is: 1,242,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,379.28 : 4,608,569.40 = 828,517.52 : x
  2. Step 2: Convert to fraction form
    3,072,379.28/4,608,569.40 = 828,517.52/x
  3. Step 3: Cross multiply
    3,072,379.28x = 4,608,569.40 × 828,517.52
  4. Step 4: Simplify right side
    3,072,379.28x = 3,818,280,490,035.89
  5. Step 5: Solve for x
    x = 3,818,280,490,035.89/3,072,379.28
  6. Step 6: Final answer
    x = 1,242,776.41

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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.