Home / 2,146,337.20-3,221,579.40-1,306,529.20

Finding the Fourth Proportional to 2,146,337.20, 3,221,579.40 and 1,306,529.20

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Solution

The fourth proportional to 2,146,337.20, 3,221,579.40 and 1,306,529.20 is: 1,961,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,337.20 : 3,221,579.40 = 1,306,529.20 : x
  2. Step 2: Convert to fraction form
    2,146,337.20/3,221,579.40 = 1,306,529.20/x
  3. Step 3: Cross multiply
    2,146,337.20x = 3,221,579.40 × 1,306,529.20
  4. Step 4: Simplify right side
    2,146,337.20x = 4,209,087,556,218.48
  5. Step 5: Solve for x
    x = 4,209,087,556,218.48/2,146,337.20
  6. Step 6: Final answer
    x = 1,961,056.05

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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.