Home / 2,800,831.16-3,865,515.32-1,577,375.86

Finding the Fourth Proportional to 2,800,831.16, 3,865,515.32 and 1,577,375.86

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Solution

The fourth proportional to 2,800,831.16, 3,865,515.32 and 1,577,375.86 is: 2,176,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,831.16 : 3,865,515.32 = 1,577,375.86 : x
  2. Step 2: Convert to fraction form
    2,800,831.16/3,865,515.32 = 1,577,375.86/x
  3. Step 3: Cross multiply
    2,800,831.16x = 3,865,515.32 × 1,577,375.86
  4. Step 4: Simplify right side
    2,800,831.16x = 6,097,370,547,819.47
  5. Step 5: Solve for x
    x = 6,097,370,547,819.47/2,800,831.16
  6. Step 6: Final answer
    x = 2,176,986.12

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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.