Home / 1,811,115.20-2,716,672.80-971,307.20

Finding the Fourth Proportional to 1,811,115.20, 2,716,672.80 and 971,307.20

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Solution

The fourth proportional to 1,811,115.20, 2,716,672.80 and 971,307.20 is: 1,456,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,115.20 : 2,716,672.80 = 971,307.20 : x
  2. Step 2: Convert to fraction form
    1,811,115.20/2,716,672.80 = 971,307.20/x
  3. Step 3: Cross multiply
    1,811,115.20x = 2,716,672.80 × 971,307.20
  4. Step 4: Simplify right side
    1,811,115.20x = 2,638,723,850,684.16
  5. Step 5: Solve for x
    x = 2,638,723,850,684.16/1,811,115.20
  6. Step 6: Final answer
    x = 1,456,960.80

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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.