Home / 2,152,372.15-2,970,293.66-1,185,505.93

Finding the Fourth Proportional to 2,152,372.15, 2,970,293.66 and 1,185,505.93

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Solution

The fourth proportional to 2,152,372.15, 2,970,293.66 and 1,185,505.93 is: 1,636,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,372.15 : 2,970,293.66 = 1,185,505.93 : x
  2. Step 2: Convert to fraction form
    2,152,372.15/2,970,293.66 = 1,185,505.93/x
  3. Step 3: Cross multiply
    2,152,372.15x = 2,970,293.66 × 1,185,505.93
  4. Step 4: Simplify right side
    2,152,372.15x = 3,521,300,741,843.87
  5. Step 5: Solve for x
    x = 3,521,300,741,843.87/2,152,372.15
  6. Step 6: Final answer
    x = 1,636,009.25

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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.