Home / 2,157,705.64-3,235,717.14-809,133.40

Finding the Fourth Proportional to 2,157,705.64, 3,235,717.14 and 809,133.40

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Solution

The fourth proportional to 2,157,705.64, 3,235,717.14 and 809,133.40 is: 1,213,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,705.64 : 3,235,717.14 = 809,133.40 : x
  2. Step 2: Convert to fraction form
    2,157,705.64/3,235,717.14 = 809,133.40/x
  3. Step 3: Cross multiply
    2,157,705.64x = 3,235,717.14 × 809,133.40
  4. Step 4: Simplify right side
    2,157,705.64x = 2,618,126,810,926.48
  5. Step 5: Solve for x
    x = 2,618,126,810,926.48/2,157,705.64
  6. Step 6: Final answer
    x = 1,213,384.61

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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.