Home / 1,917,986.38-2,877,455.23-570,146.47

Finding the Fourth Proportional to 1,917,986.38, 2,877,455.23 and 570,146.47

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Solution

The fourth proportional to 1,917,986.38, 2,877,455.23 and 570,146.47 is: 855,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,986.38 : 2,877,455.23 = 570,146.47 : x
  2. Step 2: Convert to fraction form
    1,917,986.38/2,877,455.23 = 570,146.47/x
  3. Step 3: Cross multiply
    1,917,986.38x = 2,877,455.23 × 570,146.47
  4. Step 4: Simplify right side
    1,917,986.38x = 1,640,570,933,348.53
  5. Step 5: Solve for x
    x = 1,640,570,933,348.53/1,917,986.38
  6. Step 6: Final answer
    x = 855,361.10

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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.