Home / 5,138,104.20-7,091,015.70-2,846,478.12

Finding the Fourth Proportional to 5,138,104.20, 7,091,015.70 and 2,846,478.12

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Solution

The fourth proportional to 5,138,104.20, 7,091,015.70 and 2,846,478.12 is: 3,928,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,104.20 : 7,091,015.70 = 2,846,478.12 : x
  2. Step 2: Convert to fraction form
    5,138,104.20/7,091,015.70 = 2,846,478.12/x
  3. Step 3: Cross multiply
    5,138,104.20x = 7,091,015.70 × 2,846,478.12
  4. Step 4: Simplify right side
    5,138,104.20x = 20,184,421,038,626.48
  5. Step 5: Solve for x
    x = 20,184,421,038,626.48/5,138,104.20
  6. Step 6: Final answer
    x = 3,928,379.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.