Home / 1,869,315.75-2,803,972.61-449,371.38

Finding the Fourth Proportional to 1,869,315.75, 2,803,972.61 and 449,371.38

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Solution

The fourth proportional to 1,869,315.75, 2,803,972.61 and 449,371.38 is: 674,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,315.75 : 2,803,972.61 = 449,371.38 : x
  2. Step 2: Convert to fraction form
    1,869,315.75/2,803,972.61 = 449,371.38/x
  3. Step 3: Cross multiply
    1,869,315.75x = 2,803,972.61 × 449,371.38
  4. Step 4: Simplify right side
    1,869,315.75x = 1,260,025,024,971.18
  5. Step 5: Solve for x
    x = 1,260,025,024,971.18/1,869,315.75
  6. Step 6: Final answer
    x = 674,056.82

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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.