Home / 1,811,186.20-2,716,779.30-971,378.20

Finding the Fourth Proportional to 1,811,186.20, 2,716,779.30 and 971,378.20

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Solution

The fourth proportional to 1,811,186.20, 2,716,779.30 and 971,378.20 is: 1,457,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,186.20 : 2,716,779.30 = 971,378.20 : x
  2. Step 2: Convert to fraction form
    1,811,186.20/2,716,779.30 = 971,378.20/x
  3. Step 3: Cross multiply
    1,811,186.20x = 2,716,779.30 × 971,378.20
  4. Step 4: Simplify right side
    1,811,186.20x = 2,639,020,186,231.26
  5. Step 5: Solve for x
    x = 2,639,020,186,231.26/1,811,186.20
  6. Step 6: Final answer
    x = 1,457,067.30

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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.