Home / 1,811,151.70-2,716,727.55-971,343.70

Finding the Fourth Proportional to 1,811,151.70, 2,716,727.55 and 971,343.70

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Solution

The fourth proportional to 1,811,151.70, 2,716,727.55 and 971,343.70 is: 1,457,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,151.70 : 2,716,727.55 = 971,343.70 : x
  2. Step 2: Convert to fraction form
    1,811,151.70/2,716,727.55 = 971,343.70/x
  3. Step 3: Cross multiply
    1,811,151.70x = 2,716,727.55 × 971,343.70
  4. Step 4: Simplify right side
    1,811,151.70x = 2,638,876,190,308.93
  5. Step 5: Solve for x
    x = 2,638,876,190,308.93/1,811,151.70
  6. Step 6: Final answer
    x = 1,457,015.55

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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.