Home / 1,609,110.50-2,220,189.65-911,397.35

Finding the Fourth Proportional to 1,609,110.50, 2,220,189.65 and 911,397.35

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Solution

The fourth proportional to 1,609,110.50, 2,220,189.65 and 911,397.35 is: 1,257,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,110.50 : 2,220,189.65 = 911,397.35 : x
  2. Step 2: Convert to fraction form
    1,609,110.50/2,220,189.65 = 911,397.35/x
  3. Step 3: Cross multiply
    1,609,110.50x = 2,220,189.65 × 911,397.35
  4. Step 4: Simplify right side
    1,609,110.50x = 2,023,474,967,918.66
  5. Step 5: Solve for x
    x = 2,023,474,967,918.66/1,609,110.50
  6. Step 6: Final answer
    x = 1,257,511.51

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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.