Home / 1,986,009.53-2,976,681.49-918,797.27

Finding the Fourth Proportional to 1,986,009.53, 2,976,681.49 and 918,797.27

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Solution

The fourth proportional to 1,986,009.53, 2,976,681.49 and 918,797.27 is: 1,377,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,009.53 : 2,976,681.49 = 918,797.27 : x
  2. Step 2: Convert to fraction form
    1,986,009.53/2,976,681.49 = 918,797.27/x
  3. Step 3: Cross multiply
    1,986,009.53x = 2,976,681.49 × 918,797.27
  4. Step 4: Simplify right side
    1,986,009.53x = 2,734,966,809,491.13
  5. Step 5: Solve for x
    x = 2,734,966,809,491.13/1,986,009.53
  6. Step 6: Final answer
    x = 1,377,116.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.