Home / 1,810,985.76-2,498,615.34-1,085,568.80

Finding the Fourth Proportional to 1,810,985.76, 2,498,615.34 and 1,085,568.80

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Solution

The fourth proportional to 1,810,985.76, 2,498,615.34 and 1,085,568.80 is: 1,497,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,985.76 : 2,498,615.34 = 1,085,568.80 : x
  2. Step 2: Convert to fraction form
    1,810,985.76/2,498,615.34 = 1,085,568.80/x
  3. Step 3: Cross multiply
    1,810,985.76x = 2,498,615.34 × 1,085,568.80
  4. Step 4: Simplify right side
    1,810,985.76x = 2,712,418,856,305.39
  5. Step 5: Solve for x
    x = 2,712,418,856,305.39/1,810,985.76
  6. Step 6: Final answer
    x = 1,497,758.25

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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.