Home / 1,551,913.19-2,141,619.57-872,849.69

Finding the Fourth Proportional to 1,551,913.19, 2,141,619.57 and 872,849.69

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Solution

The fourth proportional to 1,551,913.19, 2,141,619.57 and 872,849.69 is: 1,204,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,913.19 : 2,141,619.57 = 872,849.69 : x
  2. Step 2: Convert to fraction form
    1,551,913.19/2,141,619.57 = 872,849.69/x
  3. Step 3: Cross multiply
    1,551,913.19x = 2,141,619.57 × 872,849.69
  4. Step 4: Simplify right side
    1,551,913.19x = 1,869,311,977,772.43
  5. Step 5: Solve for x
    x = 1,869,311,977,772.43/1,551,913.19
  6. Step 6: Final answer
    x = 1,204,520.97

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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.