Home / 2,121,896.52-3,182,813.46-524,459.76

Finding the Fourth Proportional to 2,121,896.52, 3,182,813.46 and 524,459.76

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Solution

The fourth proportional to 2,121,896.52, 3,182,813.46 and 524,459.76 is: 786,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,896.52 : 3,182,813.46 = 524,459.76 : x
  2. Step 2: Convert to fraction form
    2,121,896.52/3,182,813.46 = 524,459.76/x
  3. Step 3: Cross multiply
    2,121,896.52x = 3,182,813.46 × 524,459.76
  4. Step 4: Simplify right side
    2,121,896.52x = 1,669,257,583,356.37
  5. Step 5: Solve for x
    x = 1,669,257,583,356.37/2,121,896.52
  6. Step 6: Final answer
    x = 786,681.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.