Home / 3,178,368.15-4,767,446.70-1,381,253.34

Finding the Fourth Proportional to 3,178,368.15, 4,767,446.70 and 1,381,253.34

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Solution

The fourth proportional to 3,178,368.15, 4,767,446.70 and 1,381,253.34 is: 2,071,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,368.15 : 4,767,446.70 = 1,381,253.34 : x
  2. Step 2: Convert to fraction form
    3,178,368.15/4,767,446.70 = 1,381,253.34/x
  3. Step 3: Cross multiply
    3,178,368.15x = 4,767,446.70 × 1,381,253.34
  4. Step 4: Simplify right side
    3,178,368.15x = 6,585,051,695,524.90
  5. Step 5: Solve for x
    x = 6,585,051,695,524.90/3,178,368.15
  6. Step 6: Final answer
    x = 2,071,834.16

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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.