Home / 1,942,001.70-2,913,002.55-1,235,163.30

Finding the Fourth Proportional to 1,942,001.70, 2,913,002.55 and 1,235,163.30

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Solution

The fourth proportional to 1,942,001.70, 2,913,002.55 and 1,235,163.30 is: 1,852,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,001.70 : 2,913,002.55 = 1,235,163.30 : x
  2. Step 2: Convert to fraction form
    1,942,001.70/2,913,002.55 = 1,235,163.30/x
  3. Step 3: Cross multiply
    1,942,001.70x = 2,913,002.55 × 1,235,163.30
  4. Step 4: Simplify right side
    1,942,001.70x = 3,598,033,842,566.42
  5. Step 5: Solve for x
    x = 3,598,033,842,566.42/1,942,001.70
  6. Step 6: Final answer
    x = 1,852,744.95

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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.