Home / 2,122,713.23-2,928,955.06-1,251,821.12

Finding the Fourth Proportional to 2,122,713.23, 2,928,955.06 and 1,251,821.12

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Solution

The fourth proportional to 2,122,713.23, 2,928,955.06 and 1,251,821.12 is: 1,727,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,713.23 : 2,928,955.06 = 1,251,821.12 : x
  2. Step 2: Convert to fraction form
    2,122,713.23/2,928,955.06 = 1,251,821.12/x
  3. Step 3: Cross multiply
    2,122,713.23x = 2,928,955.06 × 1,251,821.12
  4. Step 4: Simplify right side
    2,122,713.23x = 3,666,527,807,831.70
  5. Step 5: Solve for x
    x = 3,666,527,807,831.70/2,122,713.23
  6. Step 6: Final answer
    x = 1,727,283.63

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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.