Home / 2,279,708.28-3,145,904.46-1,312,875

Finding the Fourth Proportional to 2,279,708.28, 3,145,904.46 and 1,312,875

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Solution

The fourth proportional to 2,279,708.28, 3,145,904.46 and 1,312,875 is: 1,811,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,708.28 : 3,145,904.46 = 1,312,875 : x
  2. Step 2: Convert to fraction form
    2,279,708.28/3,145,904.46 = 1,312,875/x
  3. Step 3: Cross multiply
    2,279,708.28x = 3,145,904.46 × 1,312,875
  4. Step 4: Simplify right side
    2,279,708.28x = 4,130,179,317,922.50
  5. Step 5: Solve for x
    x = 4,130,179,317,922.50/2,279,708.28
  6. Step 6: Final answer
    x = 1,811,713.96

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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.