Home / 3,178,538.10-4,767,588.45-1,019,531.70

Finding the Fourth Proportional to 3,178,538.10, 4,767,588.45 and 1,019,531.70

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Solution

The fourth proportional to 3,178,538.10, 4,767,588.45 and 1,019,531.70 is: 1,529,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,538.10 : 4,767,588.45 = 1,019,531.70 : x
  2. Step 2: Convert to fraction form
    3,178,538.10/4,767,588.45 = 1,019,531.70/x
  3. Step 3: Cross multiply
    3,178,538.10x = 4,767,588.45 × 1,019,531.70
  4. Step 4: Simplify right side
    3,178,538.10x = 4,860,707,557,328.87
  5. Step 5: Solve for x
    x = 4,860,707,557,328.87/3,178,538.10
  6. Step 6: Final answer
    x = 1,529,227.40

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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.