Home / 1,551,911.31-2,141,616.98-872,847.81

Finding the Fourth Proportional to 1,551,911.31, 2,141,616.98 and 872,847.81

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Solution

The fourth proportional to 1,551,911.31, 2,141,616.98 and 872,847.81 is: 1,204,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,911.31 : 2,141,616.98 = 872,847.81 : x
  2. Step 2: Convert to fraction form
    1,551,911.31/2,141,616.98 = 872,847.81/x
  3. Step 3: Cross multiply
    1,551,911.31x = 2,141,616.98 × 872,847.81
  4. Step 4: Simplify right side
    1,551,911.31x = 1,869,305,693,033.93
  5. Step 5: Solve for x
    x = 1,869,305,693,033.93/1,551,911.31
  6. Step 6: Final answer
    x = 1,204,518.38

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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.