Home / 1,918,187.82-2,647,094.04-1,058,742.18

Finding the Fourth Proportional to 1,918,187.82, 2,647,094.04 and 1,058,742.18

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Solution

The fourth proportional to 1,918,187.82, 2,647,094.04 and 1,058,742.18 is: 1,461,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,187.82 : 2,647,094.04 = 1,058,742.18 : x
  2. Step 2: Convert to fraction form
    1,918,187.82/2,647,094.04 = 1,058,742.18/x
  3. Step 3: Cross multiply
    1,918,187.82x = 2,647,094.04 × 1,058,742.18
  4. Step 4: Simplify right side
    1,918,187.82x = 2,802,590,114,574.61
  5. Step 5: Solve for x
    x = 2,802,590,114,574.61/1,918,187.82
  6. Step 6: Final answer
    x = 1,461,061.36

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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.