Home / 3,178,455.06-4,767,577.29-1,381,340.46

Finding the Fourth Proportional to 3,178,455.06, 4,767,577.29 and 1,381,340.46

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Solution

The fourth proportional to 3,178,455.06, 4,767,577.29 and 1,381,340.46 is: 2,071,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,455.06 : 4,767,577.29 = 1,381,340.46 : x
  2. Step 2: Convert to fraction form
    3,178,455.06/4,767,577.29 = 1,381,340.46/x
  3. Step 3: Cross multiply
    3,178,455.06x = 4,767,577.29 × 1,381,340.46
  4. Step 4: Simplify right side
    3,178,455.06x = 6,585,647,406,854.15
  5. Step 5: Solve for x
    x = 6,585,647,406,854.15/3,178,455.06
  6. Step 6: Final answer
    x = 2,071,964.93

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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.