Home / 1,942,073.70-2,913,110.55-1,235,235.30

Finding the Fourth Proportional to 1,942,073.70, 2,913,110.55 and 1,235,235.30

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Solution

The fourth proportional to 1,942,073.70, 2,913,110.55 and 1,235,235.30 is: 1,852,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,073.70 : 2,913,110.55 = 1,235,235.30 : x
  2. Step 2: Convert to fraction form
    1,942,073.70/2,913,110.55 = 1,235,235.30/x
  3. Step 3: Cross multiply
    1,942,073.70x = 2,913,110.55 × 1,235,235.30
  4. Step 4: Simplify right side
    1,942,073.70x = 3,598,376,984,162.42
  5. Step 5: Solve for x
    x = 3,598,376,984,162.42/1,942,073.70
  6. Step 6: Final answer
    x = 1,852,852.95

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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.