Home / 1,918,016.90-2,646,850.30-1,058,577.15

Finding the Fourth Proportional to 1,918,016.90, 2,646,850.30 and 1,058,577.15

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Solution

The fourth proportional to 1,918,016.90, 2,646,850.30 and 1,058,577.15 is: 1,460,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,016.90 : 2,646,850.30 = 1,058,577.15 : x
  2. Step 2: Convert to fraction form
    1,918,016.90/2,646,850.30 = 1,058,577.15/x
  3. Step 3: Cross multiply
    1,918,016.90x = 2,646,850.30 × 1,058,577.15
  4. Step 4: Simplify right side
    1,918,016.90x = 2,801,895,254,329.89
  5. Step 5: Solve for x
    x = 2,801,895,254,329.89/1,918,016.90
  6. Step 6: Final answer
    x = 1,460,829.28

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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.