Home / 1,902,420.90-2,623,949.91-1,214,565.66

Finding the Fourth Proportional to 1,902,420.90, 2,623,949.91 and 1,214,565.66

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Solution

The fourth proportional to 1,902,420.90, 2,623,949.91 and 1,214,565.66 is: 1,675,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,420.90 : 2,623,949.91 = 1,214,565.66 : x
  2. Step 2: Convert to fraction form
    1,902,420.90/2,623,949.91 = 1,214,565.66/x
  3. Step 3: Cross multiply
    1,902,420.90x = 2,623,949.91 × 1,214,565.66
  4. Step 4: Simplify right side
    1,902,420.90x = 3,186,959,454,246.09
  5. Step 5: Solve for x
    x = 3,186,959,454,246.09/1,902,420.90
  6. Step 6: Final answer
    x = 1,675,212.60

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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.