Home / 2,879,464-3,973,660.64-1,672,317.76

Finding the Fourth Proportional to 2,879,464, 3,973,660.64 and 1,672,317.76

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Solution

The fourth proportional to 2,879,464, 3,973,660.64 and 1,672,317.76 is: 2,307,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,464 : 3,973,660.64 = 1,672,317.76 : x
  2. Step 2: Convert to fraction form
    2,879,464/3,973,660.64 = 1,672,317.76/x
  3. Step 3: Cross multiply
    2,879,464x = 3,973,660.64 × 1,672,317.76
  4. Step 4: Simplify right side
    2,879,464x = 6,645,223,260,484.97
  5. Step 5: Solve for x
    x = 6,645,223,260,484.97/2,879,464
  6. Step 6: Final answer
    x = 2,307,798.69

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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.