Home / 1,541,280.07-2,126,963.42-862,216.57

Finding the Fourth Proportional to 1,541,280.07, 2,126,963.42 and 862,216.57

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Solution

The fourth proportional to 1,541,280.07, 2,126,963.42 and 862,216.57 is: 1,189,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,280.07 : 2,126,963.42 = 862,216.57 : x
  2. Step 2: Convert to fraction form
    1,541,280.07/2,126,963.42 = 862,216.57/x
  3. Step 3: Cross multiply
    1,541,280.07x = 2,126,963.42 × 862,216.57
  4. Step 4: Simplify right side
    1,541,280.07x = 1,833,903,100,196.79
  5. Step 5: Solve for x
    x = 1,833,903,100,196.79/1,541,280.07
  6. Step 6: Final answer
    x = 1,189,857.14

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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.