Home / 2,106,423.48-3,156,771.44-890,989.32

Finding the Fourth Proportional to 2,106,423.48, 3,156,771.44 and 890,989.32

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Solution

The fourth proportional to 2,106,423.48, 3,156,771.44 and 890,989.32 is: 1,335,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,423.48 : 3,156,771.44 = 890,989.32 : x
  2. Step 2: Convert to fraction form
    2,106,423.48/3,156,771.44 = 890,989.32/x
  3. Step 3: Cross multiply
    2,106,423.48x = 3,156,771.44 × 890,989.32
  4. Step 4: Simplify right side
    2,106,423.48x = 2,812,649,638,721.02
  5. Step 5: Solve for x
    x = 2,812,649,638,721.02/2,106,423.48
  6. Step 6: Final answer
    x = 1,335,272.64

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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.