Home / 3,178,563.39-4,767,738.48-1,381,446.72

Finding the Fourth Proportional to 3,178,563.39, 4,767,738.48 and 1,381,446.72

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Solution

The fourth proportional to 3,178,563.39, 4,767,738.48 and 1,381,446.72 is: 2,072,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,563.39 : 4,767,738.48 = 1,381,446.72 : x
  2. Step 2: Convert to fraction form
    3,178,563.39/4,767,738.48 = 1,381,446.72/x
  3. Step 3: Cross multiply
    3,178,563.39x = 4,767,738.48 × 1,381,446.72
  4. Step 4: Simplify right side
    3,178,563.39x = 6,586,376,671,509.71
  5. Step 5: Solve for x
    x = 6,586,376,671,509.71/3,178,563.39
  6. Step 6: Final answer
    x = 2,072,123.74

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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.