Home / 5,058,122.12-6,978,089.76-3,316,209.56

Finding the Fourth Proportional to 5,058,122.12, 6,978,089.76 and 3,316,209.56

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Solution

The fourth proportional to 5,058,122.12, 6,978,089.76 and 3,316,209.56 is: 4,574,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058,122.12 : 6,978,089.76 = 3,316,209.56 : x
  2. Step 2: Convert to fraction form
    5,058,122.12/6,978,089.76 = 3,316,209.56/x
  3. Step 3: Cross multiply
    5,058,122.12x = 6,978,089.76 × 3,316,209.56
  4. Step 4: Simplify right side
    5,058,122.12x = 23,140,807,972,650.11
  5. Step 5: Solve for x
    x = 23,140,807,972,650.11/5,058,122.12
  6. Step 6: Final answer
    x = 4,574,980.09

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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.