Home / 6,460,640.30-8,915,684.46-3,520,457.88

Finding the Fourth Proportional to 6,460,640.30, 8,915,684.46 and 3,520,457.88

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Solution

The fourth proportional to 6,460,640.30, 8,915,684.46 and 3,520,457.88 is: 4,858,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460,640.30 : 8,915,684.46 = 3,520,457.88 : x
  2. Step 2: Convert to fraction form
    6,460,640.30/8,915,684.46 = 3,520,457.88/x
  3. Step 3: Cross multiply
    6,460,640.30x = 8,915,684.46 × 3,520,457.88
  4. Step 4: Simplify right side
    6,460,640.30x = 31,387,291,642,933.93
  5. Step 5: Solve for x
    x = 31,387,291,642,933.93/6,460,640.30
  6. Step 6: Final answer
    x = 4,858,232.34

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Double scale
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1.5x scale

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.