Home / 3,175,527.59-4,382,142.76-1,868,856.51

Finding the Fourth Proportional to 3,175,527.59, 4,382,142.76 and 1,868,856.51

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Solution

The fourth proportional to 3,175,527.59, 4,382,142.76 and 1,868,856.51 is: 2,578,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,527.59 : 4,382,142.76 = 1,868,856.51 : x
  2. Step 2: Convert to fraction form
    3,175,527.59/4,382,142.76 = 1,868,856.51/x
  3. Step 3: Cross multiply
    3,175,527.59x = 4,382,142.76 × 1,868,856.51
  4. Step 4: Simplify right side
    3,175,527.59x = 8,189,596,024,775.37
  5. Step 5: Solve for x
    x = 8,189,596,024,775.37/3,175,527.59
  6. Step 6: Final answer
    x = 2,578,971.77

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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.