Home / 1,904,969.95-2,857,344.15-1,393,153.53

Finding the Fourth Proportional to 1,904,969.95, 2,857,344.15 and 1,393,153.53

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Solution

The fourth proportional to 1,904,969.95, 2,857,344.15 and 1,393,153.53 is: 2,089,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,969.95 : 2,857,344.15 = 1,393,153.53 : x
  2. Step 2: Convert to fraction form
    1,904,969.95/2,857,344.15 = 1,393,153.53/x
  3. Step 3: Cross multiply
    1,904,969.95x = 2,857,344.15 × 1,393,153.53
  4. Step 4: Simplify right side
    1,904,969.95x = 3,980,719,083,506.64
  5. Step 5: Solve for x
    x = 3,980,719,083,506.64/1,904,969.95
  6. Step 6: Final answer
    x = 2,089,649.28

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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.