Home / 2,312,970.47-3,192,233.12-1,332,721.76

Finding the Fourth Proportional to 2,312,970.47, 3,192,233.12 and 1,332,721.76

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Solution

The fourth proportional to 2,312,970.47, 3,192,233.12 and 1,332,721.76 is: 1,839,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,970.47 : 3,192,233.12 = 1,332,721.76 : x
  2. Step 2: Convert to fraction form
    2,312,970.47/3,192,233.12 = 1,332,721.76/x
  3. Step 3: Cross multiply
    2,312,970.47x = 3,192,233.12 × 1,332,721.76
  4. Step 4: Simplify right side
    2,312,970.47x = 4,254,358,542,016.69
  5. Step 5: Solve for x
    x = 4,254,358,542,016.69/2,312,970.47
  6. Step 6: Final answer
    x = 1,839,348.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.