Home / 1,932,456.08-2,885,670.82-1,578,172.88

Finding the Fourth Proportional to 1,932,456.08, 2,885,670.82 and 1,578,172.88

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Solution

The fourth proportional to 1,932,456.08, 2,885,670.82 and 1,578,172.88 is: 2,356,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,456.08 : 2,885,670.82 = 1,578,172.88 : x
  2. Step 2: Convert to fraction form
    1,932,456.08/2,885,670.82 = 1,578,172.88/x
  3. Step 3: Cross multiply
    1,932,456.08x = 2,885,670.82 × 1,578,172.88
  4. Step 4: Simplify right side
    1,932,456.08x = 4,554,087,428,731.36
  5. Step 5: Solve for x
    x = 4,554,087,428,731.36/1,932,456.08
  6. Step 6: Final answer
    x = 2,356,631.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.