Home / 4,078,071.88-6,116,712.06-1,238,208.64

Finding the Fourth Proportional to 4,078,071.88, 6,116,712.06 and 1,238,208.64

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Solution

The fourth proportional to 4,078,071.88, 6,116,712.06 and 1,238,208.64 is: 1,857,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,071.88 : 6,116,712.06 = 1,238,208.64 : x
  2. Step 2: Convert to fraction form
    4,078,071.88/6,116,712.06 = 1,238,208.64/x
  3. Step 3: Cross multiply
    4,078,071.88x = 6,116,712.06 × 1,238,208.64
  4. Step 4: Simplify right side
    4,078,071.88x = 7,573,765,721,084.20
  5. Step 5: Solve for x
    x = 7,573,765,721,084.20/4,078,071.88
  6. Step 6: Final answer
    x = 1,857,192.80

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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.