Home / 2,172,848.20-3,260,438.70-910,803.40

Finding the Fourth Proportional to 2,172,848.20, 3,260,438.70 and 910,803.40

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Solution

The fourth proportional to 2,172,848.20, 3,260,438.70 and 910,803.40 is: 1,366,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,848.20 : 3,260,438.70 = 910,803.40 : x
  2. Step 2: Convert to fraction form
    2,172,848.20/3,260,438.70 = 910,803.40/x
  3. Step 3: Cross multiply
    2,172,848.20x = 3,260,438.70 × 910,803.40
  4. Step 4: Simplify right side
    2,172,848.20x = 2,969,618,653,451.58
  5. Step 5: Solve for x
    x = 2,969,618,653,451.58/2,172,848.20
  6. Step 6: Final answer
    x = 1,366,694.03

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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.