Home / 5,318,350.10-7,980,016.50-2,621,205.01

Finding the Fourth Proportional to 5,318,350.10, 7,980,016.50 and 2,621,205.01

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Solution

The fourth proportional to 5,318,350.10, 7,980,016.50 and 2,621,205.01 is: 3,933,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,350.10 : 7,980,016.50 = 2,621,205.01 : x
  2. Step 2: Convert to fraction form
    5,318,350.10/7,980,016.50 = 2,621,205.01/x
  3. Step 3: Cross multiply
    5,318,350.10x = 7,980,016.50 × 2,621,205.01
  4. Step 4: Simplify right side
    5,318,350.10x = 20,917,259,209,732.62
  5. Step 5: Solve for x
    x = 20,917,259,209,732.62/5,318,350.10
  6. Step 6: Final answer
    x = 3,933,035.40

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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.