Home / 2,911,977.29-4,018,542.11-1,689,006.89

Finding the Fourth Proportional to 2,911,977.29, 4,018,542.11 and 1,689,006.89

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Solution

The fourth proportional to 2,911,977.29, 4,018,542.11 and 1,689,006.89 is: 2,330,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,977.29 : 4,018,542.11 = 1,689,006.89 : x
  2. Step 2: Convert to fraction form
    2,911,977.29/4,018,542.11 = 1,689,006.89/x
  3. Step 3: Cross multiply
    2,911,977.29x = 4,018,542.11 × 1,689,006.89
  4. Step 4: Simplify right side
    2,911,977.29x = 6,787,345,292,125.77
  5. Step 5: Solve for x
    x = 6,787,345,292,125.77/2,911,977.29
  6. Step 6: Final answer
    x = 2,330,837.31

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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.