Home / 1,918,018.66-2,646,852.72-1,058,578.90

Finding the Fourth Proportional to 1,918,018.66, 2,646,852.72 and 1,058,578.90

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Solution

The fourth proportional to 1,918,018.66, 2,646,852.72 and 1,058,578.90 is: 1,460,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,018.66 : 2,646,852.72 = 1,058,578.90 : x
  2. Step 2: Convert to fraction form
    1,918,018.66/2,646,852.72 = 1,058,578.90/x
  3. Step 3: Cross multiply
    1,918,018.66x = 2,646,852.72 × 1,058,578.90
  4. Step 4: Simplify right side
    1,918,018.66x = 2,801,902,440,799.61
  5. Step 5: Solve for x
    x = 2,801,902,440,799.61/1,918,018.66
  6. Step 6: Final answer
    x = 1,460,831.69

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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.