Home / 1,918,986-2,648,433.96-1,114,170

Finding the Fourth Proportional to 1,918,986, 2,648,433.96 and 1,114,170

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Solution

The fourth proportional to 1,918,986, 2,648,433.96 and 1,114,170 is: 1,537,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,986 : 2,648,433.96 = 1,114,170 : x
  2. Step 2: Convert to fraction form
    1,918,986/2,648,433.96 = 1,114,170/x
  3. Step 3: Cross multiply
    1,918,986x = 2,648,433.96 × 1,114,170
  4. Step 4: Simplify right side
    1,918,986x = 2,950,805,665,213.20
  5. Step 5: Solve for x
    x = 2,950,805,665,213.20/1,918,986
  6. Step 6: Final answer
    x = 1,537,690.04

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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.