Home / 1,811,117.70-2,716,676.55-971,309.70

Finding the Fourth Proportional to 1,811,117.70, 2,716,676.55 and 971,309.70

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Solution

The fourth proportional to 1,811,117.70, 2,716,676.55 and 971,309.70 is: 1,456,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,117.70 : 2,716,676.55 = 971,309.70 : x
  2. Step 2: Convert to fraction form
    1,811,117.70/2,716,676.55 = 971,309.70/x
  3. Step 3: Cross multiply
    1,811,117.70x = 2,716,676.55 × 971,309.70
  4. Step 4: Simplify right side
    1,811,117.70x = 2,638,734,284,777.53
  5. Step 5: Solve for x
    x = 2,638,734,284,777.53/1,811,117.70
  6. Step 6: Final answer
    x = 1,456,964.55

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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.