Home / 1,918,128.14-2,646,828.38-1,058,633.04

Finding the Fourth Proportional to 1,918,128.14, 2,646,828.38 and 1,058,633.04

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Solution

The fourth proportional to 1,918,128.14, 2,646,828.38 and 1,058,633.04 is: 1,460,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,128.14 : 2,646,828.38 = 1,058,633.04 : x
  2. Step 2: Convert to fraction form
    1,918,128.14/2,646,828.38 = 1,058,633.04/x
  3. Step 3: Cross multiply
    1,918,128.14x = 2,646,828.38 × 1,058,633.04
  4. Step 4: Simplify right side
    1,918,128.14x = 2,802,019,962,367.44
  5. Step 5: Solve for x
    x = 2,802,019,962,367.44/1,918,128.14
  6. Step 6: Final answer
    x = 1,460,809.58

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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.