Home / 3,111,585-4,667,377.50-747,681

Finding the Fourth Proportional to 3,111,585, 4,667,377.50 and 747,681

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Solution

The fourth proportional to 3,111,585, 4,667,377.50 and 747,681 is: 1,121,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,585 : 4,667,377.50 = 747,681 : x
  2. Step 2: Convert to fraction form
    3,111,585/4,667,377.50 = 747,681/x
  3. Step 3: Cross multiply
    3,111,585x = 4,667,377.50 × 747,681
  4. Step 4: Simplify right side
    3,111,585x = 3,489,709,476,577.50
  5. Step 5: Solve for x
    x = 3,489,709,476,577.50/3,111,585
  6. Step 6: Final answer
    x = 1,121,521.50

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1.5x scale

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.