Home / 5,130,960.69-7,079,601.06-3,065,665.98

Finding the Fourth Proportional to 5,130,960.69, 7,079,601.06 and 3,065,665.98

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Solution

The fourth proportional to 5,130,960.69, 7,079,601.06 and 3,065,665.98 is: 4,229,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,960.69 : 7,079,601.06 = 3,065,665.98 : x
  2. Step 2: Convert to fraction form
    5,130,960.69/7,079,601.06 = 3,065,665.98/x
  3. Step 3: Cross multiply
    5,130,960.69x = 7,079,601.06 × 3,065,665.98
  4. Step 4: Simplify right side
    5,130,960.69x = 21,703,692,121,613.94
  5. Step 5: Solve for x
    x = 21,703,692,121,613.94/5,130,960.69
  6. Step 6: Final answer
    x = 4,229,947.07

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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.