Home / 2,107,159.38-2,907,879.89-1,140,289.66

Finding the Fourth Proportional to 2,107,159.38, 2,907,879.89 and 1,140,289.66

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Solution

The fourth proportional to 2,107,159.38, 2,907,879.89 and 1,140,289.66 is: 1,573,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,159.38 : 2,907,879.89 = 1,140,289.66 : x
  2. Step 2: Convert to fraction form
    2,107,159.38/2,907,879.89 = 1,140,289.66/x
  3. Step 3: Cross multiply
    2,107,159.38x = 2,907,879.89 × 1,140,289.66
  4. Step 4: Simplify right side
    2,107,159.38x = 3,315,825,369,022.34
  5. Step 5: Solve for x
    x = 3,315,825,369,022.34/2,107,159.38
  6. Step 6: Final answer
    x = 1,573,599.70

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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.