Home / 6,315,853.64-8,715,930.32-3,486,991.32

Finding the Fourth Proportional to 6,315,853.64, 8,715,930.32 and 3,486,991.32

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Solution

The fourth proportional to 6,315,853.64, 8,715,930.32 and 3,486,991.32 is: 4,812,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,853.64 : 8,715,930.32 = 3,486,991.32 : x
  2. Step 2: Convert to fraction form
    6,315,853.64/8,715,930.32 = 3,486,991.32/x
  3. Step 3: Cross multiply
    6,315,853.64x = 8,715,930.32 × 3,486,991.32
  4. Step 4: Simplify right side
    6,315,853.64x = 30,392,373,371,564.82
  5. Step 5: Solve for x
    x = 30,392,373,371,564.82/6,315,853.64
  6. Step 6: Final answer
    x = 4,812,076.89

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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.