Home / 2,058,385.83-2,839,640.90-1,242,328.65

Finding the Fourth Proportional to 2,058,385.83, 2,839,640.90 and 1,242,328.65

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Solution

The fourth proportional to 2,058,385.83, 2,839,640.90 and 1,242,328.65 is: 1,713,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,385.83 : 2,839,640.90 = 1,242,328.65 : x
  2. Step 2: Convert to fraction form
    2,058,385.83/2,839,640.90 = 1,242,328.65/x
  3. Step 3: Cross multiply
    2,058,385.83x = 2,839,640.90 × 1,242,328.65
  4. Step 4: Simplify right side
    2,058,385.83x = 3,527,767,239,570.14
  5. Step 5: Solve for x
    x = 3,527,767,239,570.14/2,058,385.83
  6. Step 6: Final answer
    x = 1,713,851.30

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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.