Home / 5,207,389.43-7,811,826.08-1,613,438.87

Finding the Fourth Proportional to 5,207,389.43, 7,811,826.08 and 1,613,438.87

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Solution

The fourth proportional to 5,207,389.43, 7,811,826.08 and 1,613,438.87 is: 2,420,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,389.43 : 7,811,826.08 = 1,613,438.87 : x
  2. Step 2: Convert to fraction form
    5,207,389.43/7,811,826.08 = 1,613,438.87/x
  3. Step 3: Cross multiply
    5,207,389.43x = 7,811,826.08 × 1,613,438.87
  4. Step 4: Simplify right side
    5,207,389.43x = 12,603,903,796,025.40
  5. Step 5: Solve for x
    x = 12,603,903,796,025.40/5,207,389.43
  6. Step 6: Final answer
    x = 2,420,388.18

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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.