Home / 2,960,128.32-4,084,975.44-1,670,979.84

Finding the Fourth Proportional to 2,960,128.32, 4,084,975.44 and 1,670,979.84

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Solution

The fourth proportional to 2,960,128.32, 4,084,975.44 and 1,670,979.84 is: 2,305,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960,128.32 : 4,084,975.44 = 1,670,979.84 : x
  2. Step 2: Convert to fraction form
    2,960,128.32/4,084,975.44 = 1,670,979.84/x
  3. Step 3: Cross multiply
    2,960,128.32x = 4,084,975.44 × 1,670,979.84
  4. Step 4: Simplify right side
    2,960,128.32x = 6,825,911,607,135.13
  5. Step 5: Solve for x
    x = 6,825,911,607,135.13/2,960,128.32
  6. Step 6: Final answer
    x = 2,305,951.25

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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.