Home / 1,627,327.80-2,439,218.34-1,389,950.28

Finding the Fourth Proportional to 1,627,327.80, 2,439,218.34 and 1,389,950.28

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Solution

The fourth proportional to 1,627,327.80, 2,439,218.34 and 1,389,950.28 is: 2,083,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,327.80 : 2,439,218.34 = 1,389,950.28 : x
  2. Step 2: Convert to fraction form
    1,627,327.80/2,439,218.34 = 1,389,950.28/x
  3. Step 3: Cross multiply
    1,627,327.80x = 2,439,218.34 × 1,389,950.28
  4. Step 4: Simplify right side
    1,627,327.80x = 3,390,392,214,664.14
  5. Step 5: Solve for x
    x = 3,390,392,214,664.14/1,627,327.80
  6. Step 6: Final answer
    x = 2,083,410.74

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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.