Home / 5,090,943.42-7,025,241.78-2,798,661.24

Finding the Fourth Proportional to 5,090,943.42, 7,025,241.78 and 2,798,661.24

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Solution

The fourth proportional to 5,090,943.42, 7,025,241.78 and 2,798,661.24 is: 3,862,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,943.42 : 7,025,241.78 = 2,798,661.24 : x
  2. Step 2: Convert to fraction form
    5,090,943.42/7,025,241.78 = 2,798,661.24/x
  3. Step 3: Cross multiply
    5,090,943.42x = 7,025,241.78 × 2,798,661.24
  4. Step 4: Simplify right side
    5,090,943.42x = 19,661,271,871,314.61
  5. Step 5: Solve for x
    x = 19,661,271,871,314.61/5,090,943.42
  6. Step 6: Final answer
    x = 3,862,009.50

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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.