Home / 2,166,598.32-2,989,903.80-1,199,728.56

Finding the Fourth Proportional to 2,166,598.32, 2,989,903.80 and 1,199,728.56

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Solution

The fourth proportional to 2,166,598.32, 2,989,903.80 and 1,199,728.56 is: 1,655,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,598.32 : 2,989,903.80 = 1,199,728.56 : x
  2. Step 2: Convert to fraction form
    2,166,598.32/2,989,903.80 = 1,199,728.56/x
  3. Step 3: Cross multiply
    2,166,598.32x = 2,989,903.80 × 1,199,728.56
  4. Step 4: Simplify right side
    2,166,598.32x = 3,587,072,980,512.53
  5. Step 5: Solve for x
    x = 3,587,072,980,512.53/2,166,598.32
  6. Step 6: Final answer
    x = 1,655,624.37

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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.