Home / 3,125,011.15-4,311,558.56-2,036,885.70

Finding the Fourth Proportional to 3,125,011.15, 4,311,558.56 and 2,036,885.70

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Solution

The fourth proportional to 3,125,011.15, 4,311,558.56 and 2,036,885.70 is: 2,810,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,011.15 : 4,311,558.56 = 2,036,885.70 : x
  2. Step 2: Convert to fraction form
    3,125,011.15/4,311,558.56 = 2,036,885.70/x
  3. Step 3: Cross multiply
    3,125,011.15x = 4,311,558.56 × 2,036,885.70
  4. Step 4: Simplify right side
    3,125,011.15x = 8,782,151,965,392.16
  5. Step 5: Solve for x
    x = 8,782,151,965,392.16/3,125,011.15
  6. Step 6: Final answer
    x = 2,810,278.61

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Double scale
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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.