Home / 1,584,986.10-2,187,280.80-905,937.18

Finding the Fourth Proportional to 1,584,986.10, 2,187,280.80 and 905,937.18

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Solution

The fourth proportional to 1,584,986.10, 2,187,280.80 and 905,937.18 is: 1,250,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,986.10 : 2,187,280.80 = 905,937.18 : x
  2. Step 2: Convert to fraction form
    1,584,986.10/2,187,280.80 = 905,937.18/x
  3. Step 3: Cross multiply
    1,584,986.10x = 2,187,280.80 × 905,937.18
  4. Step 4: Simplify right side
    1,584,986.10x = 1,981,538,999,820.14
  5. Step 5: Solve for x
    x = 1,981,538,999,820.14/1,584,986.10
  6. Step 6: Final answer
    x = 1,250,193.30

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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.