Home / 3,942,037.80-5,913,056.70-1,102,145.40

Finding the Fourth Proportional to 3,942,037.80, 5,913,056.70 and 1,102,145.40

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Solution

The fourth proportional to 3,942,037.80, 5,913,056.70 and 1,102,145.40 is: 1,653,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,037.80 : 5,913,056.70 = 1,102,145.40 : x
  2. Step 2: Convert to fraction form
    3,942,037.80/5,913,056.70 = 1,102,145.40/x
  3. Step 3: Cross multiply
    3,942,037.80x = 5,913,056.70 × 1,102,145.40
  4. Step 4: Simplify right side
    3,942,037.80x = 6,517,048,241,844.18
  5. Step 5: Solve for x
    x = 6,517,048,241,844.18/3,942,037.80
  6. Step 6: Final answer
    x = 1,653,218.10

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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.