Home / 3,474,128.40-5,200,133.40-2,478,800.40

Finding the Fourth Proportional to 3,474,128.40, 5,200,133.40 and 2,478,800.40

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Solution

The fourth proportional to 3,474,128.40, 5,200,133.40 and 2,478,800.40 is: 3,710,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474,128.40 : 5,200,133.40 = 2,478,800.40 : x
  2. Step 2: Convert to fraction form
    3,474,128.40/5,200,133.40 = 2,478,800.40/x
  3. Step 3: Cross multiply
    3,474,128.40x = 5,200,133.40 × 2,478,800.40
  4. Step 4: Simplify right side
    3,474,128.40x = 12,890,092,751,973.36
  5. Step 5: Solve for x
    x = 12,890,092,751,973.36/3,474,128.40
  6. Step 6: Final answer
    x = 3,710,309.83

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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.