Home / 2,013,612.88-2,778,784.20-1,108,195.60

Finding the Fourth Proportional to 2,013,612.88, 2,778,784.20 and 1,108,195.60

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Solution

The fourth proportional to 2,013,612.88, 2,778,784.20 and 1,108,195.60 is: 1,529,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,612.88 : 2,778,784.20 = 1,108,195.60 : x
  2. Step 2: Convert to fraction form
    2,013,612.88/2,778,784.20 = 1,108,195.60/x
  3. Step 3: Cross multiply
    2,013,612.88x = 2,778,784.20 × 1,108,195.60
  4. Step 4: Simplify right side
    2,013,612.88x = 3,079,436,423,789.52
  5. Step 5: Solve for x
    x = 3,079,436,423,789.52/2,013,612.88
  6. Step 6: Final answer
    x = 1,529,309.06

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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.