Home / 1,889,889.03-2,836,162.20-1,709,199.09

Finding the Fourth Proportional to 1,889,889.03, 2,836,162.20 and 1,709,199.09

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Solution

The fourth proportional to 1,889,889.03, 2,836,162.20 and 1,709,199.09 is: 2,565,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,889.03 : 2,836,162.20 = 1,709,199.09 : x
  2. Step 2: Convert to fraction form
    1,889,889.03/2,836,162.20 = 1,709,199.09/x
  3. Step 3: Cross multiply
    1,889,889.03x = 2,836,162.20 × 1,709,199.09
  4. Step 4: Simplify right side
    1,889,889.03x = 4,847,565,851,332.40
  5. Step 5: Solve for x
    x = 4,847,565,851,332.40/1,889,889.03
  6. Step 6: Final answer
    x = 2,565,000.26

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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.