Home / 2,308,166.38-3,185,270.95-1,289,571.13

Finding the Fourth Proportional to 2,308,166.38, 3,185,270.95 and 1,289,571.13

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Solution

The fourth proportional to 2,308,166.38, 3,185,270.95 and 1,289,571.13 is: 1,779,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,166.38 : 3,185,270.95 = 1,289,571.13 : x
  2. Step 2: Convert to fraction form
    2,308,166.38/3,185,270.95 = 1,289,571.13/x
  3. Step 3: Cross multiply
    2,308,166.38x = 3,185,270.95 × 1,289,571.13
  4. Step 4: Simplify right side
    2,308,166.38x = 4,107,633,442,421.32
  5. Step 5: Solve for x
    x = 4,107,633,442,421.32/2,308,166.38
  6. Step 6: Final answer
    x = 1,779,608.91

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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.