Home / 2,665,836.16-3,998,343.36-868,715.04

Finding the Fourth Proportional to 2,665,836.16, 3,998,343.36 and 868,715.04

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Solution

The fourth proportional to 2,665,836.16, 3,998,343.36 and 868,715.04 is: 1,302,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,836.16 : 3,998,343.36 = 868,715.04 : x
  2. Step 2: Convert to fraction form
    2,665,836.16/3,998,343.36 = 868,715.04/x
  3. Step 3: Cross multiply
    2,665,836.16x = 3,998,343.36 × 868,715.04
  4. Step 4: Simplify right side
    2,665,836.16x = 3,473,421,011,916.13
  5. Step 5: Solve for x
    x = 3,473,421,011,916.13/2,665,836.16
  6. Step 6: Final answer
    x = 1,302,938.67

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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.