Home / 3,105,312.48-4,285,284.99-1,728,653.69

Finding the Fourth Proportional to 3,105,312.48, 4,285,284.99 and 1,728,653.69

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Solution

The fourth proportional to 3,105,312.48, 4,285,284.99 and 1,728,653.69 is: 2,385,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,312.48 : 4,285,284.99 = 1,728,653.69 : x
  2. Step 2: Convert to fraction form
    3,105,312.48/4,285,284.99 = 1,728,653.69/x
  3. Step 3: Cross multiply
    3,105,312.48x = 4,285,284.99 × 1,728,653.69
  4. Step 4: Simplify right side
    3,105,312.48x = 7,407,773,689,238.69
  5. Step 5: Solve for x
    x = 7,407,773,689,238.69/3,105,312.48
  6. Step 6: Final answer
    x = 2,385,516.35

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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.