Home / 3,127,836.20-4,692,191.70-1,330,705.40

Finding the Fourth Proportional to 3,127,836.20, 4,692,191.70 and 1,330,705.40

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Solution

The fourth proportional to 3,127,836.20, 4,692,191.70 and 1,330,705.40 is: 1,996,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,836.20 : 4,692,191.70 = 1,330,705.40 : x
  2. Step 2: Convert to fraction form
    3,127,836.20/4,692,191.70 = 1,330,705.40/x
  3. Step 3: Cross multiply
    3,127,836.20x = 4,692,191.70 × 1,330,705.40
  4. Step 4: Simplify right side
    3,127,836.20x = 6,243,924,833,025.18
  5. Step 5: Solve for x
    x = 6,243,924,833,025.18/3,127,836.20
  6. Step 6: Final answer
    x = 1,996,244.19

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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.