Home / 1,851,251.86-2,777,225.43-840,445.07

Finding the Fourth Proportional to 1,851,251.86, 2,777,225.43 and 840,445.07

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Solution

The fourth proportional to 1,851,251.86, 2,777,225.43 and 840,445.07 is: 1,260,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,251.86 : 2,777,225.43 = 840,445.07 : x
  2. Step 2: Convert to fraction form
    1,851,251.86/2,777,225.43 = 840,445.07/x
  3. Step 3: Cross multiply
    1,851,251.86x = 2,777,225.43 × 840,445.07
  4. Step 4: Simplify right side
    1,851,251.86x = 2,334,105,410,187.67
  5. Step 5: Solve for x
    x = 2,334,105,410,187.67/1,851,251.86
  6. Step 6: Final answer
    x = 1,260,825.42

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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.