Home / 3,240,236.47-4,471,563.86-1,789,901.86

Finding the Fourth Proportional to 3,240,236.47, 4,471,563.86 and 1,789,901.86

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Solution

The fourth proportional to 3,240,236.47, 4,471,563.86 and 1,789,901.86 is: 2,470,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,236.47 : 4,471,563.86 = 1,789,901.86 : x
  2. Step 2: Convert to fraction form
    3,240,236.47/4,471,563.86 = 1,789,901.86/x
  3. Step 3: Cross multiply
    3,240,236.47x = 4,471,563.86 × 1,789,901.86
  4. Step 4: Simplify right side
    3,240,236.47x = 8,003,660,461,173.27
  5. Step 5: Solve for x
    x = 8,003,660,461,173.27/3,240,236.47
  6. Step 6: Final answer
    x = 2,470,085.30

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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.