Home / 3,175,529.60-4,382,145.52-1,868,858.52

Finding the Fourth Proportional to 3,175,529.60, 4,382,145.52 and 1,868,858.52

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Solution

The fourth proportional to 3,175,529.60, 4,382,145.52 and 1,868,858.52 is: 2,578,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,529.60 : 4,382,145.52 = 1,868,858.52 : x
  2. Step 2: Convert to fraction form
    3,175,529.60/4,382,145.52 = 1,868,858.52/x
  3. Step 3: Cross multiply
    3,175,529.60x = 4,382,145.52 × 1,868,858.52
  4. Step 4: Simplify right side
    3,175,529.60x = 8,189,609,990,931.83
  5. Step 5: Solve for x
    x = 8,189,609,990,931.83/3,175,529.60
  6. Step 6: Final answer
    x = 2,578,974.54

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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.