Home / 1,996,715.46-2,996,420.94-782,141.46

Finding the Fourth Proportional to 1,996,715.46, 2,996,420.94 and 782,141.46

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Solution

The fourth proportional to 1,996,715.46, 2,996,420.94 and 782,141.46 is: 1,173,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,715.46 : 2,996,420.94 = 782,141.46 : x
  2. Step 2: Convert to fraction form
    1,996,715.46/2,996,420.94 = 782,141.46/x
  3. Step 3: Cross multiply
    1,996,715.46x = 2,996,420.94 × 782,141.46
  4. Step 4: Simplify right side
    1,996,715.46x = 2,343,625,048,786.17
  5. Step 5: Solve for x
    x = 2,343,625,048,786.17/1,996,715.46
  6. Step 6: Final answer
    x = 1,173,740.12

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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.