Home / 2,152,389.90-2,970,318.15-1,185,523.74

Finding the Fourth Proportional to 2,152,389.90, 2,970,318.15 and 1,185,523.74

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Solution

The fourth proportional to 2,152,389.90, 2,970,318.15 and 1,185,523.74 is: 1,636,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,389.90 : 2,970,318.15 = 1,185,523.74 : x
  2. Step 2: Convert to fraction form
    2,152,389.90/2,970,318.15 = 1,185,523.74/x
  3. Step 3: Cross multiply
    2,152,389.90x = 2,970,318.15 × 1,185,523.74
  4. Step 4: Simplify right side
    2,152,389.90x = 3,521,382,682,177.88
  5. Step 5: Solve for x
    x = 3,521,382,682,177.88/2,152,389.90
  6. Step 6: Final answer
    x = 1,636,033.83

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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.