Home / 1,891,116.75-2,609,741.12-1,212,053.25

Finding the Fourth Proportional to 1,891,116.75, 2,609,741.12 and 1,212,053.25

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Solution

The fourth proportional to 1,891,116.75, 2,609,741.12 and 1,212,053.25 is: 1,672,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,116.75 : 2,609,741.12 = 1,212,053.25 : x
  2. Step 2: Convert to fraction form
    1,891,116.75/2,609,741.12 = 1,212,053.25/x
  3. Step 3: Cross multiply
    1,891,116.75x = 2,609,741.12 × 1,212,053.25
  4. Step 4: Simplify right side
    1,891,116.75x = 3,163,145,200,094.37
  5. Step 5: Solve for x
    x = 3,163,145,200,094.37/1,891,116.75
  6. Step 6: Final answer
    x = 1,672,633.49

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Double scale
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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.