Home / 1,918,074.36-2,646,937.15-1,058,628.45

Finding the Fourth Proportional to 1,918,074.36, 2,646,937.15 and 1,058,628.45

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Solution

The fourth proportional to 1,918,074.36, 2,646,937.15 and 1,058,628.45 is: 1,460,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,074.36 : 2,646,937.15 = 1,058,628.45 : x
  2. Step 2: Convert to fraction form
    1,918,074.36/2,646,937.15 = 1,058,628.45/x
  3. Step 3: Cross multiply
    1,918,074.36x = 2,646,937.15 × 1,058,628.45
  4. Step 4: Simplify right side
    1,918,074.36x = 2,802,122,972,351.92
  5. Step 5: Solve for x
    x = 2,802,122,972,351.92/1,918,074.36
  6. Step 6: Final answer
    x = 1,460,904.24

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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.