Home / 3,875,928.57-5,348,729.43-2,157,048.63

Finding the Fourth Proportional to 3,875,928.57, 5,348,729.43 and 2,157,048.63

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Solution

The fourth proportional to 3,875,928.57, 5,348,729.43 and 2,157,048.63 is: 2,976,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,928.57 : 5,348,729.43 = 2,157,048.63 : x
  2. Step 2: Convert to fraction form
    3,875,928.57/5,348,729.43 = 2,157,048.63/x
  3. Step 3: Cross multiply
    3,875,928.57x = 5,348,729.43 × 2,157,048.63
  4. Step 4: Simplify right side
    3,875,928.57x = 11,537,469,489,222.18
  5. Step 5: Solve for x
    x = 11,537,469,489,222.18/3,875,928.57
  6. Step 6: Final answer
    x = 2,976,698.17

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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.