Home / 1,918,020.66-2,646,855.47-1,058,580.92

Finding the Fourth Proportional to 1,918,020.66, 2,646,855.47 and 1,058,580.92

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Solution

The fourth proportional to 1,918,020.66, 2,646,855.47 and 1,058,580.92 is: 1,460,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,020.66 : 2,646,855.47 = 1,058,580.92 : x
  2. Step 2: Convert to fraction form
    1,918,020.66/2,646,855.47 = 1,058,580.92/x
  3. Step 3: Cross multiply
    1,918,020.66x = 2,646,855.47 × 1,058,580.92
  4. Step 4: Simplify right side
    1,918,020.66x = 2,801,910,680,012.45
  5. Step 5: Solve for x
    x = 2,801,910,680,012.45/1,918,020.66
  6. Step 6: Final answer
    x = 1,460,834.46

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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.