Home / 1,618,081.60-2,427,802.80-869,252.80

Finding the Fourth Proportional to 1,618,081.60, 2,427,802.80 and 869,252.80

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Solution

The fourth proportional to 1,618,081.60, 2,427,802.80 and 869,252.80 is: 1,304,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,081.60 : 2,427,802.80 = 869,252.80 : x
  2. Step 2: Convert to fraction form
    1,618,081.60/2,427,802.80 = 869,252.80/x
  3. Step 3: Cross multiply
    1,618,081.60x = 2,427,802.80 × 869,252.80
  4. Step 4: Simplify right side
    1,618,081.60x = 2,110,374,381,747.84
  5. Step 5: Solve for x
    x = 2,110,374,381,747.84/1,618,081.60
  6. Step 6: Final answer
    x = 1,304,244.72

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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.