Home / 2,142,288.84-3,213,419.40-544,838.13

Finding the Fourth Proportional to 2,142,288.84, 3,213,419.40 and 544,838.13

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Solution

The fourth proportional to 2,142,288.84, 3,213,419.40 and 544,838.13 is: 817,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,288.84 : 3,213,419.40 = 544,838.13 : x
  2. Step 2: Convert to fraction form
    2,142,288.84/3,213,419.40 = 544,838.13/x
  3. Step 3: Cross multiply
    2,142,288.84x = 3,213,419.40 × 544,838.13
  4. Step 4: Simplify right side
    2,142,288.84x = 1,750,793,416,801.72
  5. Step 5: Solve for x
    x = 1,750,793,416,801.72/2,142,288.84
  6. Step 6: Final answer
    x = 817,253.67

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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.