Home / 1,687,363.84-2,329,648.86-1,505,763.46

Finding the Fourth Proportional to 1,687,363.84, 2,329,648.86 and 1,505,763.46

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Solution

The fourth proportional to 1,687,363.84, 2,329,648.86 and 1,505,763.46 is: 2,078,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,363.84 : 2,329,648.86 = 1,505,763.46 : x
  2. Step 2: Convert to fraction form
    1,687,363.84/2,329,648.86 = 1,505,763.46/x
  3. Step 3: Cross multiply
    1,687,363.84x = 2,329,648.86 × 1,505,763.46
  4. Step 4: Simplify right side
    1,687,363.84x = 3,507,900,128,018.66
  5. Step 5: Solve for x
    x = 3,507,900,128,018.66/1,687,363.84
  6. Step 6: Final answer
    x = 2,078,923.37

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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.