Home / 3,553,234.11-4,903,448.81-1,921,643.15

Finding the Fourth Proportional to 3,553,234.11, 4,903,448.81 and 1,921,643.15

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Solution

The fourth proportional to 3,553,234.11, 4,903,448.81 and 1,921,643.15 is: 2,651,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,234.11 : 4,903,448.81 = 1,921,643.15 : x
  2. Step 2: Convert to fraction form
    3,553,234.11/4,903,448.81 = 1,921,643.15/x
  3. Step 3: Cross multiply
    3,553,234.11x = 4,903,448.81 × 1,921,643.15
  4. Step 4: Simplify right side
    3,553,234.11x = 9,422,678,782,986.69
  5. Step 5: Solve for x
    x = 9,422,678,782,986.69/3,553,234.11
  6. Step 6: Final answer
    x = 2,651,859.82

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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.