Home / 2,670,912.20-4,006,368.30-777,715.40

Finding the Fourth Proportional to 2,670,912.20, 4,006,368.30 and 777,715.40

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Solution

The fourth proportional to 2,670,912.20, 4,006,368.30 and 777,715.40 is: 1,166,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,912.20 : 4,006,368.30 = 777,715.40 : x
  2. Step 2: Convert to fraction form
    2,670,912.20/4,006,368.30 = 777,715.40/x
  3. Step 3: Cross multiply
    2,670,912.20x = 4,006,368.30 × 777,715.40
  4. Step 4: Simplify right side
    2,670,912.20x = 3,115,814,324,981.82
  5. Step 5: Solve for x
    x = 3,115,814,324,981.82/2,670,912.20
  6. Step 6: Final answer
    x = 1,166,573.10

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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.