Home / 5,259,741.60-7,889,029.20-4,311,458.40

Finding the Fourth Proportional to 5,259,741.60, 7,889,029.20 and 4,311,458.40

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Solution

The fourth proportional to 5,259,741.60, 7,889,029.20 and 4,311,458.40 is: 6,466,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,741.60 : 7,889,029.20 = 4,311,458.40 : x
  2. Step 2: Convert to fraction form
    5,259,741.60/7,889,029.20 = 4,311,458.40/x
  3. Step 3: Cross multiply
    5,259,741.60x = 7,889,029.20 × 4,311,458.40
  4. Step 4: Simplify right side
    5,259,741.60x = 34,013,221,212,185.29
  5. Step 5: Solve for x
    x = 34,013,221,212,185.29/5,259,741.60
  6. Step 6: Final answer
    x = 6,466,709.55

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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.