Home / 3,413,897.20-5,120,150.71-1,254,180.03

Finding the Fourth Proportional to 3,413,897.20, 5,120,150.71 and 1,254,180.03

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Solution

The fourth proportional to 3,413,897.20, 5,120,150.71 and 1,254,180.03 is: 1,881,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,897.20 : 5,120,150.71 = 1,254,180.03 : x
  2. Step 2: Convert to fraction form
    3,413,897.20/5,120,150.71 = 1,254,180.03/x
  3. Step 3: Cross multiply
    3,413,897.20x = 5,120,150.71 × 1,254,180.03
  4. Step 4: Simplify right side
    3,413,897.20x = 6,421,590,769,015.70
  5. Step 5: Solve for x
    x = 6,421,590,769,015.70/3,413,897.20
  6. Step 6: Final answer
    x = 1,881,014.68

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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.