Home / 1,855,519.86-2,782,402.41-718,814.46

Finding the Fourth Proportional to 1,855,519.86, 2,782,402.41 and 718,814.46

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Solution

The fourth proportional to 1,855,519.86, 2,782,402.41 and 718,814.46 is: 1,077,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,519.86 : 2,782,402.41 = 718,814.46 : x
  2. Step 2: Convert to fraction form
    1,855,519.86/2,782,402.41 = 718,814.46/x
  3. Step 3: Cross multiply
    1,855,519.86x = 2,782,402.41 × 718,814.46
  4. Step 4: Simplify right side
    1,855,519.86x = 2,000,031,085,846.85
  5. Step 5: Solve for x
    x = 2,000,031,085,846.85/1,855,519.86
  6. Step 6: Final answer
    x = 1,077,881.80

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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.