Home / 3,507,278.49-5,261,121.86-983,130.57

Finding the Fourth Proportional to 3,507,278.49, 5,261,121.86 and 983,130.57

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Solution

The fourth proportional to 3,507,278.49, 5,261,121.86 and 983,130.57 is: 1,474,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,278.49 : 5,261,121.86 = 983,130.57 : x
  2. Step 2: Convert to fraction form
    3,507,278.49/5,261,121.86 = 983,130.57/x
  3. Step 3: Cross multiply
    3,507,278.49x = 5,261,121.86 × 983,130.57
  4. Step 4: Simplify right side
    3,507,278.49x = 5,172,369,728,145.61
  5. Step 5: Solve for x
    x = 5,172,369,728,145.61/3,507,278.49
  6. Step 6: Final answer
    x = 1,474,753.07

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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.