Home / 2,013,449.20-2,778,560.36-1,108,031.20

Finding the Fourth Proportional to 2,013,449.20, 2,778,560.36 and 1,108,031.20

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Solution

The fourth proportional to 2,013,449.20, 2,778,560.36 and 1,108,031.20 is: 1,529,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,449.20 : 2,778,560.36 = 1,108,031.20 : x
  2. Step 2: Convert to fraction form
    2,013,449.20/2,778,560.36 = 1,108,031.20/x
  3. Step 3: Cross multiply
    2,013,449.20x = 2,778,560.36 × 1,108,031.20
  4. Step 4: Simplify right side
    2,013,449.20x = 3,078,731,569,963.23
  5. Step 5: Solve for x
    x = 3,078,731,569,963.23/2,013,449.20
  6. Step 6: Final answer
    x = 1,529,083.31

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1.5x scale

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.