Home / 1,918,073.36-2,646,935.78-1,058,627.45

Finding the Fourth Proportional to 1,918,073.36, 2,646,935.78 and 1,058,627.45

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Solution

The fourth proportional to 1,918,073.36, 2,646,935.78 and 1,058,627.45 is: 1,460,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,073.36 : 2,646,935.78 = 1,058,627.45 : x
  2. Step 2: Convert to fraction form
    1,918,073.36/2,646,935.78 = 1,058,627.45/x
  3. Step 3: Cross multiply
    1,918,073.36x = 2,646,935.78 × 1,058,627.45
  4. Step 4: Simplify right side
    1,918,073.36x = 2,802,118,856,567.34
  5. Step 5: Solve for x
    x = 2,802,118,856,567.34/1,918,073.36
  6. Step 6: Final answer
    x = 1,460,902.86

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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.