Home / 2,811,338.36-4,217,266.78-918,089.72

Finding the Fourth Proportional to 2,811,338.36, 4,217,266.78 and 918,089.72

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Solution

The fourth proportional to 2,811,338.36, 4,217,266.78 and 918,089.72 is: 1,377,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,338.36 : 4,217,266.78 = 918,089.72 : x
  2. Step 2: Convert to fraction form
    2,811,338.36/4,217,266.78 = 918,089.72/x
  3. Step 3: Cross multiply
    2,811,338.36x = 4,217,266.78 × 918,089.72
  4. Step 4: Simplify right side
    2,811,338.36x = 3,871,829,277,215.50
  5. Step 5: Solve for x
    x = 3,871,829,277,215.50/2,811,338.36
  6. Step 6: Final answer
    x = 1,377,219.24

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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.