Home / 3,175,937.92-4,382,990.40-1,817,779.84

Finding the Fourth Proportional to 3,175,937.92, 4,382,990.40 and 1,817,779.84

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Solution

The fourth proportional to 3,175,937.92, 4,382,990.40 and 1,817,779.84 is: 2,508,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,937.92 : 4,382,990.40 = 1,817,779.84 : x
  2. Step 2: Convert to fraction form
    3,175,937.92/4,382,990.40 = 1,817,779.84/x
  3. Step 3: Cross multiply
    3,175,937.92x = 4,382,990.40 × 1,817,779.84
  4. Step 4: Simplify right side
    3,175,937.92x = 7,967,311,588,033.54
  5. Step 5: Solve for x
    x = 7,967,311,588,033.54/3,175,937.92
  6. Step 6: Final answer
    x = 2,508,648.40

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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.