Home / 3,012,919.68-4,157,814.96-1,636,253.76

Finding the Fourth Proportional to 3,012,919.68, 4,157,814.96 and 1,636,253.76

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Solution

The fourth proportional to 3,012,919.68, 4,157,814.96 and 1,636,253.76 is: 2,258,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,919.68 : 4,157,814.96 = 1,636,253.76 : x
  2. Step 2: Convert to fraction form
    3,012,919.68/4,157,814.96 = 1,636,253.76/x
  3. Step 3: Cross multiply
    3,012,919.68x = 4,157,814.96 × 1,636,253.76
  4. Step 4: Simplify right side
    3,012,919.68x = 6,803,240,361,684.25
  5. Step 5: Solve for x
    x = 6,803,240,361,684.25/3,012,919.68
  6. Step 6: Final answer
    x = 2,258,022.48

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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.