Home / 3,520,840.32-4,858,875.36-1,992,914.64

Finding the Fourth Proportional to 3,520,840.32, 4,858,875.36 and 1,992,914.64

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Solution

The fourth proportional to 3,520,840.32, 4,858,875.36 and 1,992,914.64 is: 2,750,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,840.32 : 4,858,875.36 = 1,992,914.64 : x
  2. Step 2: Convert to fraction form
    3,520,840.32/4,858,875.36 = 1,992,914.64/x
  3. Step 3: Cross multiply
    3,520,840.32x = 4,858,875.36 × 1,992,914.64
  4. Step 4: Simplify right side
    3,520,840.32x = 9,683,323,838,879.27
  5. Step 5: Solve for x
    x = 9,683,323,838,879.27/3,520,840.32
  6. Step 6: Final answer
    x = 2,750,287.70

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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.