Home / 2,166,289.60-2,989,573.08-1,199,419.96

Finding the Fourth Proportional to 2,166,289.60, 2,989,573.08 and 1,199,419.96

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Solution

The fourth proportional to 2,166,289.60, 2,989,573.08 and 1,199,419.96 is: 1,655,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,289.60 : 2,989,573.08 = 1,199,419.96 : x
  2. Step 2: Convert to fraction form
    2,166,289.60/2,989,573.08 = 1,199,419.96/x
  3. Step 3: Cross multiply
    2,166,289.60x = 2,989,573.08 × 1,199,419.96
  4. Step 4: Simplify right side
    2,166,289.60x = 3,585,753,624,030.68
  5. Step 5: Solve for x
    x = 3,585,753,624,030.68/2,166,289.60
  6. Step 6: Final answer
    x = 1,655,251.28

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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.