Home / 3,286,387.20-4,930,444.80-1,042,521.60

Finding the Fourth Proportional to 3,286,387.20, 4,930,444.80 and 1,042,521.60

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Solution

The fourth proportional to 3,286,387.20, 4,930,444.80 and 1,042,521.60 is: 1,564,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,387.20 : 4,930,444.80 = 1,042,521.60 : x
  2. Step 2: Convert to fraction form
    3,286,387.20/4,930,444.80 = 1,042,521.60/x
  3. Step 3: Cross multiply
    3,286,387.20x = 4,930,444.80 × 1,042,521.60
  4. Step 4: Simplify right side
    3,286,387.20x = 5,140,095,201,607.68
  5. Step 5: Solve for x
    x = 5,140,095,201,607.68/3,286,387.20
  6. Step 6: Final answer
    x = 1,564,056.48

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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.