Home / 5,459,279.61-8,190,179.68-1,621,016.70

Finding the Fourth Proportional to 5,459,279.61, 8,190,179.68 and 1,621,016.70

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Solution

The fourth proportional to 5,459,279.61, 8,190,179.68 and 1,621,016.70 is: 2,431,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,279.61 : 8,190,179.68 = 1,621,016.70 : x
  2. Step 2: Convert to fraction form
    5,459,279.61/8,190,179.68 = 1,621,016.70/x
  3. Step 3: Cross multiply
    5,459,279.61x = 8,190,179.68 × 1,621,016.70
  4. Step 4: Simplify right side
    5,459,279.61x = 13,276,418,051,624.11
  5. Step 5: Solve for x
    x = 13,276,418,051,624.11/5,459,279.61
  6. Step 6: Final answer
    x = 2,431,899.26

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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.