Home / 3,135,919.20-4,706,643.60-2,688,021.60

Finding the Fourth Proportional to 3,135,919.20, 4,706,643.60 and 2,688,021.60

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Solution

The fourth proportional to 3,135,919.20, 4,706,643.60 and 2,688,021.60 is: 4,034,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,919.20 : 4,706,643.60 = 2,688,021.60 : x
  2. Step 2: Convert to fraction form
    3,135,919.20/4,706,643.60 = 2,688,021.60/x
  3. Step 3: Cross multiply
    3,135,919.20x = 4,706,643.60 × 2,688,021.60
  4. Step 4: Simplify right side
    3,135,919.20x = 12,651,559,660,301.76
  5. Step 5: Solve for x
    x = 12,651,559,660,301.76/3,135,919.20
  6. Step 6: Final answer
    x = 4,034,402.31

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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.