Home / 3,639,176-5,020,439.64-2,110,397.84

Finding the Fourth Proportional to 3,639,176, 5,020,439.64 and 2,110,397.84

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Solution

The fourth proportional to 3,639,176, 5,020,439.64 and 2,110,397.84 is: 2,911,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,176 : 5,020,439.64 = 2,110,397.84 : x
  2. Step 2: Convert to fraction form
    3,639,176/5,020,439.64 = 2,110,397.84/x
  3. Step 3: Cross multiply
    3,639,176x = 5,020,439.64 × 2,110,397.84
  4. Step 4: Simplify right side
    3,639,176x = 10,595,124,972,106.38
  5. Step 5: Solve for x
    x = 10,595,124,972,106.38/3,639,176
  6. Step 6: Final answer
    x = 2,911,407.68

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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.