Home / 1,877,659.39-2,591,170.64-1,018,219.42

Finding the Fourth Proportional to 1,877,659.39, 2,591,170.64 and 1,018,219.42

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Solution

The fourth proportional to 1,877,659.39, 2,591,170.64 and 1,018,219.42 is: 1,405,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,659.39 : 2,591,170.64 = 1,018,219.42 : x
  2. Step 2: Convert to fraction form
    1,877,659.39/2,591,170.64 = 1,018,219.42/x
  3. Step 3: Cross multiply
    1,877,659.39x = 2,591,170.64 × 1,018,219.42
  4. Step 4: Simplify right side
    1,877,659.39x = 2,638,380,266,181.83
  5. Step 5: Solve for x
    x = 2,638,380,266,181.83/1,877,659.39
  6. Step 6: Final answer
    x = 1,405,143.17

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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.