Home / 3,138,334.20-4,707,938.70-1,341,203.40

Finding the Fourth Proportional to 3,138,334.20, 4,707,938.70 and 1,341,203.40

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Solution

The fourth proportional to 3,138,334.20, 4,707,938.70 and 1,341,203.40 is: 2,011,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,334.20 : 4,707,938.70 = 1,341,203.40 : x
  2. Step 2: Convert to fraction form
    3,138,334.20/4,707,938.70 = 1,341,203.40/x
  3. Step 3: Cross multiply
    3,138,334.20x = 4,707,938.70 × 1,341,203.40
  4. Step 4: Simplify right side
    3,138,334.20x = 6,314,303,391,431.58
  5. Step 5: Solve for x
    x = 6,314,303,391,431.58/3,138,334.20
  6. Step 6: Final answer
    x = 2,011,992.03

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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.