Home / 3,240,429.12-4,471,778.16-1,790,124.48

Finding the Fourth Proportional to 3,240,429.12, 4,471,778.16 and 1,790,124.48

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Solution

The fourth proportional to 3,240,429.12, 4,471,778.16 and 1,790,124.48 is: 2,470,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,429.12 : 4,471,778.16 = 1,790,124.48 : x
  2. Step 2: Convert to fraction form
    3,240,429.12/4,471,778.16 = 1,790,124.48/x
  3. Step 3: Cross multiply
    3,240,429.12x = 4,471,778.16 × 1,790,124.48
  4. Step 4: Simplify right side
    3,240,429.12x = 8,005,039,553,345.36
  5. Step 5: Solve for x
    x = 8,005,039,553,345.36/3,240,429.12
  6. Step 6: Final answer
    x = 2,470,364.03

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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.