Home / 2,130,213.60-3,195,320.40-1,956,031.20

Finding the Fourth Proportional to 2,130,213.60, 3,195,320.40 and 1,956,031.20

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Solution

The fourth proportional to 2,130,213.60, 3,195,320.40 and 1,956,031.20 is: 2,934,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,213.60 : 3,195,320.40 = 1,956,031.20 : x
  2. Step 2: Convert to fraction form
    2,130,213.60/3,195,320.40 = 1,956,031.20/x
  3. Step 3: Cross multiply
    2,130,213.60x = 3,195,320.40 × 1,956,031.20
  4. Step 4: Simplify right side
    2,130,213.60x = 6,250,146,396,396.48
  5. Step 5: Solve for x
    x = 6,250,146,396,396.48/2,130,213.60
  6. Step 6: Final answer
    x = 2,934,046.80

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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.