Home / 2,916,015.85-4,374,023.78-1,852,259.05

Finding the Fourth Proportional to 2,916,015.85, 4,374,023.78 and 1,852,259.05

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Solution

The fourth proportional to 2,916,015.85, 4,374,023.78 and 1,852,259.05 is: 2,778,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,015.85 : 4,374,023.78 = 1,852,259.05 : x
  2. Step 2: Convert to fraction form
    2,916,015.85/4,374,023.78 = 1,852,259.05/x
  3. Step 3: Cross multiply
    2,916,015.85x = 4,374,023.78 × 1,852,259.05
  4. Step 4: Simplify right side
    2,916,015.85x = 8,101,825,122,158.92
  5. Step 5: Solve for x
    x = 8,101,825,122,158.92/2,916,015.85
  6. Step 6: Final answer
    x = 2,778,388.58

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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.