Home / 2,825,813.68-4,238,405.36-776,631.28

Finding the Fourth Proportional to 2,825,813.68, 4,238,405.36 and 776,631.28

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Solution

The fourth proportional to 2,825,813.68, 4,238,405.36 and 776,631.28 is: 1,164,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,813.68 : 4,238,405.36 = 776,631.28 : x
  2. Step 2: Convert to fraction form
    2,825,813.68/4,238,405.36 = 776,631.28/x
  3. Step 3: Cross multiply
    2,825,813.68x = 4,238,405.36 × 776,631.28
  4. Step 4: Simplify right side
    2,825,813.68x = 3,291,678,179,895.66
  5. Step 5: Solve for x
    x = 3,291,678,179,895.66/2,825,813.68
  6. Step 6: Final answer
    x = 1,164,860.30

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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.