Home / 2,811,997.50-4,218,715.53-817,453.50

Finding the Fourth Proportional to 2,811,997.50, 4,218,715.53 and 817,453.50

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Solution

The fourth proportional to 2,811,997.50, 4,218,715.53 and 817,453.50 is: 1,226,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,997.50 : 4,218,715.53 = 817,453.50 : x
  2. Step 2: Convert to fraction form
    2,811,997.50/4,218,715.53 = 817,453.50/x
  3. Step 3: Cross multiply
    2,811,997.50x = 4,218,715.53 × 817,453.50
  4. Step 4: Simplify right side
    2,811,997.50x = 3,448,603,775,502.86
  5. Step 5: Solve for x
    x = 3,448,603,775,502.86/2,811,997.50
  6. Step 6: Final answer
    x = 1,226,389.35

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1.5x scale

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.