Home / 5,111,620.16-7,054,058.95-2,819,780.24

Finding the Fourth Proportional to 5,111,620.16, 7,054,058.95 and 2,819,780.24

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Solution

The fourth proportional to 5,111,620.16, 7,054,058.95 and 2,819,780.24 is: 3,891,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,620.16 : 7,054,058.95 = 2,819,780.24 : x
  2. Step 2: Convert to fraction form
    5,111,620.16/7,054,058.95 = 2,819,780.24/x
  3. Step 3: Cross multiply
    5,111,620.16x = 7,054,058.95 × 2,819,780.24
  4. Step 4: Simplify right side
    5,111,620.16x = 19,890,895,996,685.40
  5. Step 5: Solve for x
    x = 19,890,895,996,685.40/5,111,620.16
  6. Step 6: Final answer
    x = 3,891,309.49

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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.