Home / 2,890,215.40-4,335,323.10-868,771.30

Finding the Fourth Proportional to 2,890,215.40, 4,335,323.10 and 868,771.30

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Solution

The fourth proportional to 2,890,215.40, 4,335,323.10 and 868,771.30 is: 1,303,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,215.40 : 4,335,323.10 = 868,771.30 : x
  2. Step 2: Convert to fraction form
    2,890,215.40/4,335,323.10 = 868,771.30/x
  3. Step 3: Cross multiply
    2,890,215.40x = 4,335,323.10 × 868,771.30
  4. Step 4: Simplify right side
    2,890,215.40x = 3,766,404,285,507.03
  5. Step 5: Solve for x
    x = 3,766,404,285,507.03/2,890,215.40
  6. Step 6: Final answer
    x = 1,303,156.95

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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.