Home / 2,172,956.20-3,260,600.70-910,911.40

Finding the Fourth Proportional to 2,172,956.20, 3,260,600.70 and 910,911.40

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Solution

The fourth proportional to 2,172,956.20, 3,260,600.70 and 910,911.40 is: 1,366,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,956.20 : 3,260,600.70 = 910,911.40 : x
  2. Step 2: Convert to fraction form
    2,172,956.20/3,260,600.70 = 910,911.40/x
  3. Step 3: Cross multiply
    2,172,956.20x = 3,260,600.70 × 910,911.40
  4. Step 4: Simplify right side
    2,172,956.20x = 2,970,118,348,477.98
  5. Step 5: Solve for x
    x = 2,970,118,348,477.98/2,172,956.20
  6. Step 6: Final answer
    x = 1,366,856.06

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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.