Home / 2,278,695.60-3,144,986.60-1,312,385.33

Finding the Fourth Proportional to 2,278,695.60, 3,144,986.60 and 1,312,385.33

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Solution

The fourth proportional to 2,278,695.60, 3,144,986.60 and 1,312,385.33 is: 1,811,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,695.60 : 3,144,986.60 = 1,312,385.33 : x
  2. Step 2: Convert to fraction form
    2,278,695.60/3,144,986.60 = 1,312,385.33/x
  3. Step 3: Cross multiply
    2,278,695.60x = 3,144,986.60 × 1,312,385.33
  4. Step 4: Simplify right side
    2,278,695.60x = 4,127,434,278,187.12
  5. Step 5: Solve for x
    x = 4,127,434,278,187.12/2,278,695.60
  6. Step 6: Final answer
    x = 1,811,314.45

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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.