Home / 1,918,021.78-2,646,857.02-1,058,582.02

Finding the Fourth Proportional to 1,918,021.78, 2,646,857.02 and 1,058,582.02

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Solution

The fourth proportional to 1,918,021.78, 2,646,857.02 and 1,058,582.02 is: 1,460,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,021.78 : 2,646,857.02 = 1,058,582.02 : x
  2. Step 2: Convert to fraction form
    1,918,021.78/2,646,857.02 = 1,058,582.02/x
  3. Step 3: Cross multiply
    1,918,021.78x = 2,646,857.02 × 1,058,582.02
  4. Step 4: Simplify right side
    1,918,021.78x = 2,801,915,250,882.78
  5. Step 5: Solve for x
    x = 2,801,915,250,882.78/1,918,021.78
  6. Step 6: Final answer
    x = 1,460,835.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.