Home / 1,915,938.70-2,643,976.02-1,044,771.24

Finding the Fourth Proportional to 1,915,938.70, 2,643,976.02 and 1,044,771.24

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Solution

The fourth proportional to 1,915,938.70, 2,643,976.02 and 1,044,771.24 is: 1,441,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,938.70 : 2,643,976.02 = 1,044,771.24 : x
  2. Step 2: Convert to fraction form
    1,915,938.70/2,643,976.02 = 1,044,771.24/x
  3. Step 3: Cross multiply
    1,915,938.70x = 2,643,976.02 × 1,044,771.24
  4. Step 4: Simplify right side
    1,915,938.70x = 2,762,350,104,945.66
  5. Step 5: Solve for x
    x = 2,762,350,104,945.66/1,915,938.70
  6. Step 6: Final answer
    x = 1,441,773.74

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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.