Home / 3,631,888.17-5,011,809.12-1,999,976.58

Finding the Fourth Proportional to 3,631,888.17, 5,011,809.12 and 1,999,976.58

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Solution

The fourth proportional to 3,631,888.17, 5,011,809.12 and 1,999,976.58 is: 2,759,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,888.17 : 5,011,809.12 = 1,999,976.58 : x
  2. Step 2: Convert to fraction form
    3,631,888.17/5,011,809.12 = 1,999,976.58/x
  3. Step 3: Cross multiply
    3,631,888.17x = 5,011,809.12 × 1,999,976.58
  4. Step 4: Simplify right side
    3,631,888.17x = 10,023,500,863,430.41
  5. Step 5: Solve for x
    x = 10,023,500,863,430.41/3,631,888.17
  6. Step 6: Final answer
    x = 2,759,859.44

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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.