Home / 4,717,722.64-6,503,861.16-3,989,642.64

Finding the Fourth Proportional to 4,717,722.64, 6,503,861.16 and 3,989,642.64

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Solution

The fourth proportional to 4,717,722.64, 6,503,861.16 and 3,989,642.64 is: 5,500,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717,722.64 : 6,503,861.16 = 3,989,642.64 : x
  2. Step 2: Convert to fraction form
    4,717,722.64/6,503,861.16 = 3,989,642.64/x
  3. Step 3: Cross multiply
    4,717,722.64x = 6,503,861.16 × 3,989,642.64
  4. Step 4: Simplify right side
    4,717,722.64x = 25,948,081,808,575.86
  5. Step 5: Solve for x
    x = 25,948,081,808,575.86/4,717,722.64
  6. Step 6: Final answer
    x = 5,500,128.72

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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.