Home / 2,389,618.20-3,584,427.30-1,917,226.20

Finding the Fourth Proportional to 2,389,618.20, 3,584,427.30 and 1,917,226.20

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Solution

The fourth proportional to 2,389,618.20, 3,584,427.30 and 1,917,226.20 is: 2,875,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,618.20 : 3,584,427.30 = 1,917,226.20 : x
  2. Step 2: Convert to fraction form
    2,389,618.20/3,584,427.30 = 1,917,226.20/x
  3. Step 3: Cross multiply
    2,389,618.20x = 3,584,427.30 × 1,917,226.20
  4. Step 4: Simplify right side
    2,389,618.20x = 6,872,157,931,555.26
  5. Step 5: Solve for x
    x = 6,872,157,931,555.26/2,389,618.20
  6. Step 6: Final answer
    x = 2,875,839.30

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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.