Home / 3,176,608.68-4,765,802.40-1,284,678.72

Finding the Fourth Proportional to 3,176,608.68, 4,765,802.40 and 1,284,678.72

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Solution

The fourth proportional to 3,176,608.68, 4,765,802.40 and 1,284,678.72 is: 1,927,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,608.68 : 4,765,802.40 = 1,284,678.72 : x
  2. Step 2: Convert to fraction form
    3,176,608.68/4,765,802.40 = 1,284,678.72/x
  3. Step 3: Cross multiply
    3,176,608.68x = 4,765,802.40 × 1,284,678.72
  4. Step 4: Simplify right side
    3,176,608.68x = 6,122,524,927,004.93
  5. Step 5: Solve for x
    x = 6,122,524,927,004.93/3,176,608.68
  6. Step 6: Final answer
    x = 1,927,377.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.