Home / 3,390,288.40-5,086,088.70-994,211.20

Finding the Fourth Proportional to 3,390,288.40, 5,086,088.70 and 994,211.20

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Solution

The fourth proportional to 3,390,288.40, 5,086,088.70 and 994,211.20 is: 1,491,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,288.40 : 5,086,088.70 = 994,211.20 : x
  2. Step 2: Convert to fraction form
    3,390,288.40/5,086,088.70 = 994,211.20/x
  3. Step 3: Cross multiply
    3,390,288.40x = 5,086,088.70 × 994,211.20
  4. Step 4: Simplify right side
    3,390,288.40x = 5,056,646,349,733.44
  5. Step 5: Solve for x
    x = 5,056,646,349,733.44/3,390,288.40
  6. Step 6: Final answer
    x = 1,491,509.20

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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.