Home / 1,902,272.72-2,624,705.16-1,290,508.88

Finding the Fourth Proportional to 1,902,272.72, 2,624,705.16 and 1,290,508.88

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Solution

The fourth proportional to 1,902,272.72, 2,624,705.16 and 1,290,508.88 is: 1,780,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,272.72 : 2,624,705.16 = 1,290,508.88 : x
  2. Step 2: Convert to fraction form
    1,902,272.72/2,624,705.16 = 1,290,508.88/x
  3. Step 3: Cross multiply
    1,902,272.72x = 2,624,705.16 × 1,290,508.88
  4. Step 4: Simplify right side
    1,902,272.72x = 3,387,205,316,361.82
  5. Step 5: Solve for x
    x = 3,387,205,316,361.82/1,902,272.72
  6. Step 6: Final answer
    x = 1,780,609.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.