Home / 1,609,667.74-2,219,121.86-1,284,085.81

Finding the Fourth Proportional to 1,609,667.74, 2,219,121.86 and 1,284,085.81

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Solution

The fourth proportional to 1,609,667.74, 2,219,121.86 and 1,284,085.81 is: 1,770,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,667.74 : 2,219,121.86 = 1,284,085.81 : x
  2. Step 2: Convert to fraction form
    1,609,667.74/2,219,121.86 = 1,284,085.81/x
  3. Step 3: Cross multiply
    1,609,667.74x = 2,219,121.86 × 1,284,085.81
  4. Step 4: Simplify right side
    1,609,667.74x = 2,849,542,878,569.21
  5. Step 5: Solve for x
    x = 2,849,542,878,569.21/1,609,667.74
  6. Step 6: Final answer
    x = 1,770,267.74

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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.