Home / 2,686,939.70-3,707,808.82-1,479,715.70

Finding the Fourth Proportional to 2,686,939.70, 3,707,808.82 and 1,479,715.70

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Solution

The fourth proportional to 2,686,939.70, 3,707,808.82 and 1,479,715.70 is: 2,041,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,939.70 : 3,707,808.82 = 1,479,715.70 : x
  2. Step 2: Convert to fraction form
    2,686,939.70/3,707,808.82 = 1,479,715.70/x
  3. Step 3: Cross multiply
    2,686,939.70x = 3,707,808.82 × 1,479,715.70
  4. Step 4: Simplify right side
    2,686,939.70x = 5,486,502,901,314.14
  5. Step 5: Solve for x
    x = 5,486,502,901,314.14/2,686,939.70
  6. Step 6: Final answer
    x = 2,041,915.16

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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.