Home / 3,138,300.20-4,707,450.30-2,428,837.40

Finding the Fourth Proportional to 3,138,300.20, 4,707,450.30 and 2,428,837.40

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Solution

The fourth proportional to 3,138,300.20, 4,707,450.30 and 2,428,837.40 is: 3,643,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,300.20 : 4,707,450.30 = 2,428,837.40 : x
  2. Step 2: Convert to fraction form
    3,138,300.20/4,707,450.30 = 2,428,837.40/x
  3. Step 3: Cross multiply
    3,138,300.20x = 4,707,450.30 × 2,428,837.40
  4. Step 4: Simplify right side
    3,138,300.20x = 11,433,631,347,281.22
  5. Step 5: Solve for x
    x = 11,433,631,347,281.22/3,138,300.20
  6. Step 6: Final answer
    x = 3,643,256.10

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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.