Home / 2,678,140.48-3,694,934.72-1,516,427.96

Finding the Fourth Proportional to 2,678,140.48, 3,694,934.72 and 1,516,427.96

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Solution

The fourth proportional to 2,678,140.48, 3,694,934.72 and 1,516,427.96 is: 2,092,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,140.48 : 3,694,934.72 = 1,516,427.96 : x
  2. Step 2: Convert to fraction form
    2,678,140.48/3,694,934.72 = 1,516,427.96/x
  3. Step 3: Cross multiply
    2,678,140.48x = 3,694,934.72 × 1,516,427.96
  4. Step 4: Simplify right side
    2,678,140.48x = 5,603,102,319,782.77
  5. Step 5: Solve for x
    x = 5,603,102,319,782.77/2,678,140.48
  6. Step 6: Final answer
    x = 2,092,161.47

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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.