Home / 1,811,218.40-2,716,827.60-866,434.40

Finding the Fourth Proportional to 1,811,218.40, 2,716,827.60 and 866,434.40

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Solution

The fourth proportional to 1,811,218.40, 2,716,827.60 and 866,434.40 is: 1,299,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,218.40 : 2,716,827.60 = 866,434.40 : x
  2. Step 2: Convert to fraction form
    1,811,218.40/2,716,827.60 = 866,434.40/x
  3. Step 3: Cross multiply
    1,811,218.40x = 2,716,827.60 × 866,434.40
  4. Step 4: Simplify right side
    1,811,218.40x = 2,353,952,891,509.44
  5. Step 5: Solve for x
    x = 2,353,952,891,509.44/1,811,218.40
  6. Step 6: Final answer
    x = 1,299,651.60

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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.