Home / 2,891,715.70-4,336,795.95-1,208,470.90

Finding the Fourth Proportional to 2,891,715.70, 4,336,795.95 and 1,208,470.90

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Solution

The fourth proportional to 2,891,715.70, 4,336,795.95 and 1,208,470.90 is: 1,812,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,715.70 : 4,336,795.95 = 1,208,470.90 : x
  2. Step 2: Convert to fraction form
    2,891,715.70/4,336,795.95 = 1,208,470.90/x
  3. Step 3: Cross multiply
    2,891,715.70x = 4,336,795.95 × 1,208,470.90
  4. Step 4: Simplify right side
    2,891,715.70x = 5,240,891,704,812.85
  5. Step 5: Solve for x
    x = 5,240,891,704,812.85/2,891,715.70
  6. Step 6: Final answer
    x = 1,812,381.38

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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.