Home / 3,139,897.23-4,333,733.42-1,915,940.52

Finding the Fourth Proportional to 3,139,897.23, 4,333,733.42 and 1,915,940.52

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Solution

The fourth proportional to 3,139,897.23, 4,333,733.42 and 1,915,940.52 is: 2,644,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,897.23 : 4,333,733.42 = 1,915,940.52 : x
  2. Step 2: Convert to fraction form
    3,139,897.23/4,333,733.42 = 1,915,940.52/x
  3. Step 3: Cross multiply
    3,139,897.23x = 4,333,733.42 × 1,915,940.52
  4. Step 4: Simplify right side
    3,139,897.23x = 8,303,175,452,676.48
  5. Step 5: Solve for x
    x = 8,303,175,452,676.48/3,139,897.23
  6. Step 6: Final answer
    x = 2,644,409.94

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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.