Home / 1,909,493.97-2,642,040.72-1,664,988.24

Finding the Fourth Proportional to 1,909,493.97, 2,642,040.72 and 1,664,988.24

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Solution

The fourth proportional to 1,909,493.97, 2,642,040.72 and 1,664,988.24 is: 2,303,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,493.97 : 2,642,040.72 = 1,664,988.24 : x
  2. Step 2: Convert to fraction form
    1,909,493.97/2,642,040.72 = 1,664,988.24/x
  3. Step 3: Cross multiply
    1,909,493.97x = 2,642,040.72 × 1,664,988.24
  4. Step 4: Simplify right side
    1,909,493.97x = 4,398,966,728,401.13
  5. Step 5: Solve for x
    x = 4,398,966,728,401.13/1,909,493.97
  6. Step 6: Final answer
    x = 2,303,734.29

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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.