Home / 4,809,663.80-7,218,578.10-1,971,812.60

Finding the Fourth Proportional to 4,809,663.80, 7,218,578.10 and 1,971,812.60

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Solution

The fourth proportional to 4,809,663.80, 7,218,578.10 and 1,971,812.60 is: 2,959,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809,663.80 : 7,218,578.10 = 1,971,812.60 : x
  2. Step 2: Convert to fraction form
    4,809,663.80/7,218,578.10 = 1,971,812.60/x
  3. Step 3: Cross multiply
    4,809,663.80x = 7,218,578.10 × 1,971,812.60
  4. Step 4: Simplify right side
    4,809,663.80x = 14,233,683,251,664.06
  5. Step 5: Solve for x
    x = 14,233,683,251,664.06/4,809,663.80
  6. Step 6: Final answer
    x = 2,959,392.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.