Home / 3,956,100.40-5,918,404.20-3,429,470.80

Finding the Fourth Proportional to 3,956,100.40, 5,918,404.20 and 3,429,470.80

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Solution

The fourth proportional to 3,956,100.40, 5,918,404.20 and 3,429,470.80 is: 5,130,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,100.40 : 5,918,404.20 = 3,429,470.80 : x
  2. Step 2: Convert to fraction form
    3,956,100.40/5,918,404.20 = 3,429,470.80/x
  3. Step 3: Cross multiply
    3,956,100.40x = 5,918,404.20 × 3,429,470.80
  4. Step 4: Simplify right side
    3,956,100.40x = 20,296,994,386,497.36
  5. Step 5: Solve for x
    x = 20,296,994,386,497.36/3,956,100.40
  6. Step 6: Final answer
    x = 5,130,555.93

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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.