Home / 2,895,371.40-4,340,233.12-1,378,646.80

Finding the Fourth Proportional to 2,895,371.40, 4,340,233.12 and 1,378,646.80

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Solution

The fourth proportional to 2,895,371.40, 4,340,233.12 and 1,378,646.80 is: 2,066,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,371.40 : 4,340,233.12 = 1,378,646.80 : x
  2. Step 2: Convert to fraction form
    2,895,371.40/4,340,233.12 = 1,378,646.80/x
  3. Step 3: Cross multiply
    2,895,371.40x = 4,340,233.12 × 1,378,646.80
  4. Step 4: Simplify right side
    2,895,371.40x = 5,983,648,502,142.02
  5. Step 5: Solve for x
    x = 5,983,648,502,142.02/2,895,371.40
  6. Step 6: Final answer
    x = 2,066,625.55

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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.