Home / 1,523,981.70-2,285,972.55-1,377,015.30

Finding the Fourth Proportional to 1,523,981.70, 2,285,972.55 and 1,377,015.30

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Solution

The fourth proportional to 1,523,981.70, 2,285,972.55 and 1,377,015.30 is: 2,065,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,981.70 : 2,285,972.55 = 1,377,015.30 : x
  2. Step 2: Convert to fraction form
    1,523,981.70/2,285,972.55 = 1,377,015.30/x
  3. Step 3: Cross multiply
    1,523,981.70x = 2,285,972.55 × 1,377,015.30
  4. Step 4: Simplify right side
    1,523,981.70x = 3,147,819,176,730.01
  5. Step 5: Solve for x
    x = 3,147,819,176,730.01/1,523,981.70
  6. Step 6: Final answer
    x = 2,065,522.95

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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.