Home / 3,313,173.40-4,969,760.10-1,420,106.20

Finding the Fourth Proportional to 3,313,173.40, 4,969,760.10 and 1,420,106.20

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Solution

The fourth proportional to 3,313,173.40, 4,969,760.10 and 1,420,106.20 is: 2,130,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,173.40 : 4,969,760.10 = 1,420,106.20 : x
  2. Step 2: Convert to fraction form
    3,313,173.40/4,969,760.10 = 1,420,106.20/x
  3. Step 3: Cross multiply
    3,313,173.40x = 4,969,760.10 × 1,420,106.20
  4. Step 4: Simplify right side
    3,313,173.40x = 7,057,587,130,522.62
  5. Step 5: Solve for x
    x = 7,057,587,130,522.62/3,313,173.40
  6. Step 6: Final answer
    x = 2,130,159.30

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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.