Home / 2,592,511.20-3,889,933.20-910,821.60

Finding the Fourth Proportional to 2,592,511.20, 3,889,933.20 and 910,821.60

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Solution

The fourth proportional to 2,592,511.20, 3,889,933.20 and 910,821.60 is: 1,366,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,511.20 : 3,889,933.20 = 910,821.60 : x
  2. Step 2: Convert to fraction form
    2,592,511.20/3,889,933.20 = 910,821.60/x
  3. Step 3: Cross multiply
    2,592,511.20x = 3,889,933.20 × 910,821.60
  4. Step 4: Simplify right side
    2,592,511.20x = 3,543,035,181,117.12
  5. Step 5: Solve for x
    x = 3,543,035,181,117.12/2,592,511.20
  6. Step 6: Final answer
    x = 1,366,642.19

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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.