Home / 2,255,770.16-3,112,675.92-1,288,963.04

Finding the Fourth Proportional to 2,255,770.16, 3,112,675.92 and 1,288,963.04

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Solution

The fourth proportional to 2,255,770.16, 3,112,675.92 and 1,288,963.04 is: 1,778,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,770.16 : 3,112,675.92 = 1,288,963.04 : x
  2. Step 2: Convert to fraction form
    2,255,770.16/3,112,675.92 = 1,288,963.04/x
  3. Step 3: Cross multiply
    2,255,770.16x = 3,112,675.92 × 1,288,963.04
  4. Step 4: Simplify right side
    2,255,770.16x = 4,012,124,216,378.00
  5. Step 5: Solve for x
    x = 4,012,124,216,378.00/2,255,770.16
  6. Step 6: Final answer
    x = 1,778,605.06

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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.