Home / 1,811,205.70-2,716,808.55-971,397.70

Finding the Fourth Proportional to 1,811,205.70, 2,716,808.55 and 971,397.70

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Solution

The fourth proportional to 1,811,205.70, 2,716,808.55 and 971,397.70 is: 1,457,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,205.70 : 2,716,808.55 = 971,397.70 : x
  2. Step 2: Convert to fraction form
    1,811,205.70/2,716,808.55 = 971,397.70/x
  3. Step 3: Cross multiply
    1,811,205.70x = 2,716,808.55 × 971,397.70
  4. Step 4: Simplify right side
    1,811,205.70x = 2,639,101,576,810.33
  5. Step 5: Solve for x
    x = 2,639,101,576,810.33/1,811,205.70
  6. Step 6: Final answer
    x = 1,457,096.55

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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.