Home / 2,169,812.15-3,254,489.89-890,554.91

Finding the Fourth Proportional to 2,169,812.15, 3,254,489.89 and 890,554.91

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Solution

The fourth proportional to 2,169,812.15, 3,254,489.89 and 890,554.91 is: 1,335,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,812.15 : 3,254,489.89 = 890,554.91 : x
  2. Step 2: Convert to fraction form
    2,169,812.15/3,254,489.89 = 890,554.91/x
  3. Step 3: Cross multiply
    2,169,812.15x = 3,254,489.89 × 890,554.91
  4. Step 4: Simplify right side
    2,169,812.15x = 2,898,301,932,586.02
  5. Step 5: Solve for x
    x = 2,898,301,932,586.02/2,169,812.15
  6. Step 6: Final answer
    x = 1,335,738.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.