Home / 4,210,639.20-6,318,145.80-1,966,777.20

Finding the Fourth Proportional to 4,210,639.20, 6,318,145.80 and 1,966,777.20

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Solution

The fourth proportional to 4,210,639.20, 6,318,145.80 and 1,966,777.20 is: 2,951,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210,639.20 : 6,318,145.80 = 1,966,777.20 : x
  2. Step 2: Convert to fraction form
    4,210,639.20/6,318,145.80 = 1,966,777.20/x
  3. Step 3: Cross multiply
    4,210,639.20x = 6,318,145.80 × 1,966,777.20
  4. Step 4: Simplify right side
    4,210,639.20x = 12,426,385,105,715.76
  5. Step 5: Solve for x
    x = 12,426,385,105,715.76/4,210,639.20
  6. Step 6: Final answer
    x = 2,951,187.34

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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.