Home / 1,941,708.40-2,912,562.60-1,859,801.20

Finding the Fourth Proportional to 1,941,708.40, 2,912,562.60 and 1,859,801.20

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Solution

The fourth proportional to 1,941,708.40, 2,912,562.60 and 1,859,801.20 is: 2,789,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,708.40 : 2,912,562.60 = 1,859,801.20 : x
  2. Step 2: Convert to fraction form
    1,941,708.40/2,912,562.60 = 1,859,801.20/x
  3. Step 3: Cross multiply
    1,941,708.40x = 2,912,562.60 × 1,859,801.20
  4. Step 4: Simplify right side
    1,941,708.40x = 5,416,787,418,555.12
  5. Step 5: Solve for x
    x = 5,416,787,418,555.12/1,941,708.40
  6. Step 6: Final answer
    x = 2,789,701.80

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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.