Home / 3,556,432.80-5,318,902.80-2,989,562.40

Finding the Fourth Proportional to 3,556,432.80, 5,318,902.80 and 2,989,562.40

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Solution

The fourth proportional to 3,556,432.80, 5,318,902.80 and 2,989,562.40 is: 4,471,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556,432.80 : 5,318,902.80 = 2,989,562.40 : x
  2. Step 2: Convert to fraction form
    3,556,432.80/5,318,902.80 = 2,989,562.40/x
  3. Step 3: Cross multiply
    3,556,432.80x = 5,318,902.80 × 2,989,562.40
  4. Step 4: Simplify right side
    3,556,432.80x = 15,901,191,820,134.72
  5. Step 5: Solve for x
    x = 15,901,191,820,134.72/3,556,432.80
  6. Step 6: Final answer
    x = 4,471,107.07

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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.