Home / 1,791,989.22-2,472,944.04-987,173.22

Finding the Fourth Proportional to 1,791,989.22, 2,472,944.04 and 987,173.22

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Solution

The fourth proportional to 1,791,989.22, 2,472,944.04 and 987,173.22 is: 1,362,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,989.22 : 2,472,944.04 = 987,173.22 : x
  2. Step 2: Convert to fraction form
    1,791,989.22/2,472,944.04 = 987,173.22/x
  3. Step 3: Cross multiply
    1,791,989.22x = 2,472,944.04 × 987,173.22
  4. Step 4: Simplify right side
    1,791,989.22x = 2,441,224,130,846.61
  5. Step 5: Solve for x
    x = 2,441,224,130,846.61/1,791,989.22
  6. Step 6: Final answer
    x = 1,362,298.45

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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.