Home / 3,428,510.80-5,143,622.36-2,419,603.20

Finding the Fourth Proportional to 3,428,510.80, 5,143,622.36 and 2,419,603.20

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Solution

The fourth proportional to 3,428,510.80, 5,143,622.36 and 2,419,603.20 is: 3,630,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,510.80 : 5,143,622.36 = 2,419,603.20 : x
  2. Step 2: Convert to fraction form
    3,428,510.80/5,143,622.36 = 2,419,603.20/x
  3. Step 3: Cross multiply
    3,428,510.80x = 5,143,622.36 × 2,419,603.20
  4. Step 4: Simplify right side
    3,428,510.80x = 12,445,525,121,847.55
  5. Step 5: Solve for x
    x = 12,445,525,121,847.55/3,428,510.80
  6. Step 6: Final answer
    x = 3,630,009.02

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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.