Home / 1,918,019.10-2,646,853.32-1,058,579.33

Finding the Fourth Proportional to 1,918,019.10, 2,646,853.32 and 1,058,579.33

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Solution

The fourth proportional to 1,918,019.10, 2,646,853.32 and 1,058,579.33 is: 1,460,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,019.10 : 2,646,853.32 = 1,058,579.33 : x
  2. Step 2: Convert to fraction form
    1,918,019.10/2,646,853.32 = 1,058,579.33/x
  3. Step 3: Cross multiply
    1,918,019.10x = 2,646,853.32 × 1,058,579.33
  4. Step 4: Simplify right side
    1,918,019.10x = 2,801,904,208,800.98
  5. Step 5: Solve for x
    x = 2,801,904,208,800.98/1,918,019.10
  6. Step 6: Final answer
    x = 1,460,832.28

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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.