Home / 5,078,837.12-7,008,775.44-2,787,036.08

Finding the Fourth Proportional to 5,078,837.12, 7,008,775.44 and 2,787,036.08

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Solution

The fourth proportional to 5,078,837.12, 7,008,775.44 and 2,787,036.08 is: 3,846,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,837.12 : 7,008,775.44 = 2,787,036.08 : x
  2. Step 2: Convert to fraction form
    5,078,837.12/7,008,775.44 = 2,787,036.08/x
  3. Step 3: Cross multiply
    5,078,837.12x = 7,008,775.44 × 2,787,036.08
  4. Step 4: Simplify right side
    5,078,837.12x = 19,533,710,027,897.88
  5. Step 5: Solve for x
    x = 19,533,710,027,897.88/5,078,837.12
  6. Step 6: Final answer
    x = 3,846,098.93

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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.