Home / 2,157,648.12-3,235,471.02-1,259,348.40

Finding the Fourth Proportional to 2,157,648.12, 3,235,471.02 and 1,259,348.40

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Solution

The fourth proportional to 2,157,648.12, 3,235,471.02 and 1,259,348.40 is: 1,888,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,648.12 : 3,235,471.02 = 1,259,348.40 : x
  2. Step 2: Convert to fraction form
    2,157,648.12/3,235,471.02 = 1,259,348.40/x
  3. Step 3: Cross multiply
    2,157,648.12x = 3,235,471.02 × 1,259,348.40
  4. Step 4: Simplify right side
    2,157,648.12x = 4,074,585,252,283.37
  5. Step 5: Solve for x
    x = 4,074,585,252,283.37/2,157,648.12
  6. Step 6: Final answer
    x = 1,888,438.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.