Home / 1,540,853.20-2,314,044.60-1,120,603.60

Finding the Fourth Proportional to 1,540,853.20, 2,314,044.60 and 1,120,603.60

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Solution

The fourth proportional to 1,540,853.20, 2,314,044.60 and 1,120,603.60 is: 1,682,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,853.20 : 2,314,044.60 = 1,120,603.60 : x
  2. Step 2: Convert to fraction form
    1,540,853.20/2,314,044.60 = 1,120,603.60/x
  3. Step 3: Cross multiply
    1,540,853.20x = 2,314,044.60 × 1,120,603.60
  4. Step 4: Simplify right side
    1,540,853.20x = 2,593,126,709,320.56
  5. Step 5: Solve for x
    x = 2,593,126,709,320.56/1,540,853.20
  6. Step 6: Final answer
    x = 1,682,916.13

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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.