Home / 3,246,037.65-4,478,123.88-1,956,145.05

Finding the Fourth Proportional to 3,246,037.65, 4,478,123.88 and 1,956,145.05

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Solution

The fourth proportional to 3,246,037.65, 4,478,123.88 and 1,956,145.05 is: 2,698,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246,037.65 : 4,478,123.88 = 1,956,145.05 : x
  2. Step 2: Convert to fraction form
    3,246,037.65/4,478,123.88 = 1,956,145.05/x
  3. Step 3: Cross multiply
    3,246,037.65x = 4,478,123.88 × 1,956,145.05
  4. Step 4: Simplify right side
    3,246,037.65x = 8,759,859,861,148.79
  5. Step 5: Solve for x
    x = 8,759,859,861,148.79/3,246,037.65
  6. Step 6: Final answer
    x = 2,698,631.63

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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.