Home / 2,085,630-2,878,169.40-1,131,774

Finding the Fourth Proportional to 2,085,630, 2,878,169.40 and 1,131,774

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Solution

The fourth proportional to 2,085,630, 2,878,169.40 and 1,131,774 is: 1,561,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,630 : 2,878,169.40 = 1,131,774 : x
  2. Step 2: Convert to fraction form
    2,085,630/2,878,169.40 = 1,131,774/x
  3. Step 3: Cross multiply
    2,085,630x = 2,878,169.40 × 1,131,774
  4. Step 4: Simplify right side
    2,085,630x = 3,257,437,294,515.60
  5. Step 5: Solve for x
    x = 3,257,437,294,515.60/2,085,630
  6. Step 6: Final answer
    x = 1,561,848.12

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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.