Home / 1,942,509.70-2,912,209.35-819,655.30

Finding the Fourth Proportional to 1,942,509.70, 2,912,209.35 and 819,655.30

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Solution

The fourth proportional to 1,942,509.70, 2,912,209.35 and 819,655.30 is: 1,228,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,509.70 : 2,912,209.35 = 819,655.30 : x
  2. Step 2: Convert to fraction form
    1,942,509.70/2,912,209.35 = 819,655.30/x
  3. Step 3: Cross multiply
    1,942,509.70x = 2,912,209.35 × 819,655.30
  4. Step 4: Simplify right side
    1,942,509.70x = 2,387,007,828,437.06
  5. Step 5: Solve for x
    x = 2,387,007,828,437.06/1,942,509.70
  6. Step 6: Final answer
    x = 1,228,826.72

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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.