Home / 1,915,897.32-2,873,845.98-779,277.88

Finding the Fourth Proportional to 1,915,897.32, 2,873,845.98 and 779,277.88

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Solution

The fourth proportional to 1,915,897.32, 2,873,845.98 and 779,277.88 is: 1,168,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,897.32 : 2,873,845.98 = 779,277.88 : x
  2. Step 2: Convert to fraction form
    1,915,897.32/2,873,845.98 = 779,277.88/x
  3. Step 3: Cross multiply
    1,915,897.32x = 2,873,845.98 × 779,277.88
  4. Step 4: Simplify right side
    1,915,897.32x = 2,239,524,606,333.23
  5. Step 5: Solve for x
    x = 2,239,524,606,333.23/1,915,897.32
  6. Step 6: Final answer
    x = 1,168,916.82

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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.