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Finding the Fourth Proportional to 2,803,800.07, 3,869,239.17 and 1,514,636.47

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Solution

The fourth proportional to 2,803,800.07, 3,869,239.17 and 1,514,636.47 is: 2,090,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,800.07 : 3,869,239.17 = 1,514,636.47 : x
  2. Step 2: Convert to fraction form
    2,803,800.07/3,869,239.17 = 1,514,636.47/x
  3. Step 3: Cross multiply
    2,803,800.07x = 3,869,239.17 × 1,514,636.47
  4. Step 4: Simplify right side
    2,803,800.07x = 5,860,490,758,034.53
  5. Step 5: Solve for x
    x = 5,860,490,758,034.53/2,803,800.07
  6. Step 6: Final answer
    x = 2,090,195.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.