Home / 2,931,792.48-4,045,803.12-1,642,687.20

Finding the Fourth Proportional to 2,931,792.48, 4,045,803.12 and 1,642,687.20

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Solution

The fourth proportional to 2,931,792.48, 4,045,803.12 and 1,642,687.20 is: 2,266,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,792.48 : 4,045,803.12 = 1,642,687.20 : x
  2. Step 2: Convert to fraction form
    2,931,792.48/4,045,803.12 = 1,642,687.20/x
  3. Step 3: Cross multiply
    2,931,792.48x = 4,045,803.12 × 1,642,687.20
  4. Step 4: Simplify right side
    2,931,792.48x = 6,645,988,998,944.07
  5. Step 5: Solve for x
    x = 6,645,988,998,944.07/2,931,792.48
  6. Step 6: Final answer
    x = 2,266,868.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.