Home / 2,185,486.32-3,276,359.64-838,615.50

Finding the Fourth Proportional to 2,185,486.32, 3,276,359.64 and 838,615.50

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Solution

The fourth proportional to 2,185,486.32, 3,276,359.64 and 838,615.50 is: 1,257,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,486.32 : 3,276,359.64 = 838,615.50 : x
  2. Step 2: Convert to fraction form
    2,185,486.32/3,276,359.64 = 838,615.50/x
  3. Step 3: Cross multiply
    2,185,486.32x = 3,276,359.64 × 838,615.50
  4. Step 4: Simplify right side
    2,185,486.32x = 2,747,605,977,678.42
  5. Step 5: Solve for x
    x = 2,747,605,977,678.42/2,185,486.32
  6. Step 6: Final answer
    x = 1,257,205.75

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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.