Home / 4,261,016.46-6,391,549.02-1,421,120.40

Finding the Fourth Proportional to 4,261,016.46, 6,391,549.02 and 1,421,120.40

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Solution

The fourth proportional to 4,261,016.46, 6,391,549.02 and 1,421,120.40 is: 2,131,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261,016.46 : 6,391,549.02 = 1,421,120.40 : x
  2. Step 2: Convert to fraction form
    4,261,016.46/6,391,549.02 = 1,421,120.40/x
  3. Step 3: Cross multiply
    4,261,016.46x = 6,391,549.02 × 1,421,120.40
  4. Step 4: Simplify right side
    4,261,016.46x = 9,083,160,699,922.01
  5. Step 5: Solve for x
    x = 9,083,160,699,922.01/4,261,016.46
  6. Step 6: Final answer
    x = 2,131,688.71

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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.