Home / 2,311,631.60-3,467,447.40-815,723.60

Finding the Fourth Proportional to 2,311,631.60, 3,467,447.40 and 815,723.60

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Solution

The fourth proportional to 2,311,631.60, 3,467,447.40 and 815,723.60 is: 1,223,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,631.60 : 3,467,447.40 = 815,723.60 : x
  2. Step 2: Convert to fraction form
    2,311,631.60/3,467,447.40 = 815,723.60/x
  3. Step 3: Cross multiply
    2,311,631.60x = 3,467,447.40 × 815,723.60
  4. Step 4: Simplify right side
    2,311,631.60x = 2,828,478,675,938.64
  5. Step 5: Solve for x
    x = 2,828,478,675,938.64/2,311,631.60
  6. Step 6: Final answer
    x = 1,223,585.40

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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.