Home / 5,078,382.36-7,008,288.77-2,903,127.91

Finding the Fourth Proportional to 5,078,382.36, 7,008,288.77 and 2,903,127.91

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Solution

The fourth proportional to 5,078,382.36, 7,008,288.77 and 2,903,127.91 is: 4,006,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,382.36 : 7,008,288.77 = 2,903,127.91 : x
  2. Step 2: Convert to fraction form
    5,078,382.36/7,008,288.77 = 2,903,127.91/x
  3. Step 3: Cross multiply
    5,078,382.36x = 7,008,288.77 × 2,903,127.91
  4. Step 4: Simplify right side
    5,078,382.36x = 20,345,958,729,526.57
  5. Step 5: Solve for x
    x = 20,345,958,729,526.57/5,078,382.36
  6. Step 6: Final answer
    x = 4,006,385.75

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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.