Home / 2,312,821.19-3,191,642.53-1,266,240.20

Finding the Fourth Proportional to 2,312,821.19, 3,191,642.53 and 1,266,240.20

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Solution

The fourth proportional to 2,312,821.19, 3,191,642.53 and 1,266,240.20 is: 1,747,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,821.19 : 3,191,642.53 = 1,266,240.20 : x
  2. Step 2: Convert to fraction form
    2,312,821.19/3,191,642.53 = 1,266,240.20/x
  3. Step 3: Cross multiply
    2,312,821.19x = 3,191,642.53 × 1,266,240.20
  4. Step 4: Simplify right side
    2,312,821.19x = 4,041,386,061,733.91
  5. Step 5: Solve for x
    x = 4,041,386,061,733.91/2,312,821.19
  6. Step 6: Final answer
    x = 1,747,383.71

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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.