Home / 2,290,310.40-3,428,467.20-1,786,425.60

Finding the Fourth Proportional to 2,290,310.40, 3,428,467.20 and 1,786,425.60

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Solution

The fourth proportional to 2,290,310.40, 3,428,467.20 and 1,786,425.60 is: 2,674,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,310.40 : 3,428,467.20 = 1,786,425.60 : x
  2. Step 2: Convert to fraction form
    2,290,310.40/3,428,467.20 = 1,786,425.60/x
  3. Step 3: Cross multiply
    2,290,310.40x = 3,428,467.20 × 1,786,425.60
  4. Step 4: Simplify right side
    2,290,310.40x = 6,124,701,574,840.32
  5. Step 5: Solve for x
    x = 6,124,701,574,840.32/2,290,310.40
  6. Step 6: Final answer
    x = 2,674,179.70

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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.