Home / 1,988,074.48-2,745,160.72-1,620,609.28

Finding the Fourth Proportional to 1,988,074.48, 2,745,160.72 and 1,620,609.28

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Solution

The fourth proportional to 1,988,074.48, 2,745,160.72 and 1,620,609.28 is: 2,237,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,074.48 : 2,745,160.72 = 1,620,609.28 : x
  2. Step 2: Convert to fraction form
    1,988,074.48/2,745,160.72 = 1,620,609.28/x
  3. Step 3: Cross multiply
    1,988,074.48x = 2,745,160.72 × 1,620,609.28
  4. Step 4: Simplify right side
    1,988,074.48x = 4,448,832,937,923.48
  5. Step 5: Solve for x
    x = 4,448,832,937,923.48/1,988,074.48
  6. Step 6: Final answer
    x = 2,237,759.69

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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.