Home / 2,428,404.90-3,640,274.55-1,888,361.70

Finding the Fourth Proportional to 2,428,404.90, 3,640,274.55 and 1,888,361.70

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Solution

The fourth proportional to 2,428,404.90, 3,640,274.55 and 1,888,361.70 is: 2,830,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,404.90 : 3,640,274.55 = 1,888,361.70 : x
  2. Step 2: Convert to fraction form
    2,428,404.90/3,640,274.55 = 1,888,361.70/x
  3. Step 3: Cross multiply
    2,428,404.90x = 3,640,274.55 × 1,888,361.70
  4. Step 4: Simplify right side
    2,428,404.90x = 6,874,155,037,704.74
  5. Step 5: Solve for x
    x = 6,874,155,037,704.74/2,428,404.90
  6. Step 6: Final answer
    x = 2,830,728.53

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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.