Home / 1,917,513.30-2,646,165.21-1,058,072.88

Finding the Fourth Proportional to 1,917,513.30, 2,646,165.21 and 1,058,072.88

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Solution

The fourth proportional to 1,917,513.30, 2,646,165.21 and 1,058,072.88 is: 1,460,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,513.30 : 2,646,165.21 = 1,058,072.88 : x
  2. Step 2: Convert to fraction form
    1,917,513.30/2,646,165.21 = 1,058,072.88/x
  3. Step 3: Cross multiply
    1,917,513.30x = 2,646,165.21 × 1,058,072.88
  4. Step 4: Simplify right side
    1,917,513.30x = 2,799,835,644,700.50
  5. Step 5: Solve for x
    x = 2,799,835,644,700.50/1,917,513.30
  6. Step 6: Final answer
    x = 1,460,138.84

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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.