Home / 3,127,838.70-4,692,195.45-1,330,707.90

Finding the Fourth Proportional to 3,127,838.70, 4,692,195.45 and 1,330,707.90

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Solution

The fourth proportional to 3,127,838.70, 4,692,195.45 and 1,330,707.90 is: 1,996,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,838.70 : 4,692,195.45 = 1,330,707.90 : x
  2. Step 2: Convert to fraction form
    3,127,838.70/4,692,195.45 = 1,330,707.90/x
  3. Step 3: Cross multiply
    3,127,838.70x = 4,692,195.45 × 1,330,707.90
  4. Step 4: Simplify right side
    3,127,838.70x = 6,243,941,553,659.06
  5. Step 5: Solve for x
    x = 6,243,941,553,659.06/3,127,838.70
  6. Step 6: Final answer
    x = 1,996,247.94

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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.