Home / 3,127,837.20-4,692,193.20-1,330,706.40

Finding the Fourth Proportional to 3,127,837.20, 4,692,193.20 and 1,330,706.40

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Solution

The fourth proportional to 3,127,837.20, 4,692,193.20 and 1,330,706.40 is: 1,996,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,837.20 : 4,692,193.20 = 1,330,706.40 : x
  2. Step 2: Convert to fraction form
    3,127,837.20/4,692,193.20 = 1,330,706.40/x
  3. Step 3: Cross multiply
    3,127,837.20x = 4,692,193.20 × 1,330,706.40
  4. Step 4: Simplify right side
    3,127,837.20x = 6,243,931,521,276.48
  5. Step 5: Solve for x
    x = 6,243,931,521,276.48/3,127,837.20
  6. Step 6: Final answer
    x = 1,996,245.69

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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.