Home / 5,020,640.59-6,928,529.93-2,728,807.15

Finding the Fourth Proportional to 5,020,640.59, 6,928,529.93 and 2,728,807.15

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Solution

The fourth proportional to 5,020,640.59, 6,928,529.93 and 2,728,807.15 is: 3,765,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020,640.59 : 6,928,529.93 = 2,728,807.15 : x
  2. Step 2: Convert to fraction form
    5,020,640.59/6,928,529.93 = 2,728,807.15/x
  3. Step 3: Cross multiply
    5,020,640.59x = 6,928,529.93 × 2,728,807.15
  4. Step 4: Simplify right side
    5,020,640.59x = 18,906,622,011,973.00
  5. Step 5: Solve for x
    x = 18,906,622,011,973.00/5,020,640.59
  6. Step 6: Final answer
    x = 3,765,778.82

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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.