Home / 5,638,979.81-7,781,583.66-3,060,605.36

Finding the Fourth Proportional to 5,638,979.81, 7,781,583.66 and 3,060,605.36

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Solution

The fourth proportional to 5,638,979.81, 7,781,583.66 and 3,060,605.36 is: 4,223,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,979.81 : 7,781,583.66 = 3,060,605.36 : x
  2. Step 2: Convert to fraction form
    5,638,979.81/7,781,583.66 = 3,060,605.36/x
  3. Step 3: Cross multiply
    5,638,979.81x = 7,781,583.66 × 3,060,605.36
  4. Step 4: Simplify right side
    5,638,979.81x = 23,816,356,659,084.42
  5. Step 5: Solve for x
    x = 23,816,356,659,084.42/5,638,979.81
  6. Step 6: Final answer
    x = 4,223,522.24

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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.