Home / 1,851,876.90-2,555,989.85-1,126,958.19

Finding the Fourth Proportional to 1,851,876.90, 2,555,989.85 and 1,126,958.19

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Solution

The fourth proportional to 1,851,876.90, 2,555,989.85 and 1,126,958.19 is: 1,555,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,876.90 : 2,555,989.85 = 1,126,958.19 : x
  2. Step 2: Convert to fraction form
    1,851,876.90/2,555,989.85 = 1,126,958.19/x
  3. Step 3: Cross multiply
    1,851,876.90x = 2,555,989.85 × 1,126,958.19
  4. Step 4: Simplify right side
    1,851,876.90x = 2,880,493,685,051.82
  5. Step 5: Solve for x
    x = 2,880,493,685,051.82/1,851,876.90
  6. Step 6: Final answer
    x = 1,555,445.55

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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.