Home / 2,904,724.32-4,008,238.74-1,680,785.70

Finding the Fourth Proportional to 2,904,724.32, 4,008,238.74 and 1,680,785.70

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Solution

The fourth proportional to 2,904,724.32, 4,008,238.74 and 1,680,785.70 is: 2,319,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904,724.32 : 4,008,238.74 = 1,680,785.70 : x
  2. Step 2: Convert to fraction form
    2,904,724.32/4,008,238.74 = 1,680,785.70/x
  3. Step 3: Cross multiply
    2,904,724.32x = 4,008,238.74 × 1,680,785.70
  4. Step 4: Simplify right side
    2,904,724.32x = 6,736,990,356,378.02
  5. Step 5: Solve for x
    x = 6,736,990,356,378.02/2,904,724.32
  6. Step 6: Final answer
    x = 2,319,321.77

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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.