Home / 6,446,449.48-8,895,914.70-3,545,840.20

Finding the Fourth Proportional to 6,446,449.48, 8,895,914.70 and 3,545,840.20

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Solution

The fourth proportional to 6,446,449.48, 8,895,914.70 and 3,545,840.20 is: 4,893,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,449.48 : 8,895,914.70 = 3,545,840.20 : x
  2. Step 2: Convert to fraction form
    6,446,449.48/8,895,914.70 = 3,545,840.20/x
  3. Step 3: Cross multiply
    6,446,449.48x = 8,895,914.70 × 3,545,840.20
  4. Step 4: Simplify right side
    6,446,449.48x = 31,543,491,959,030.94
  5. Step 5: Solve for x
    x = 31,543,491,959,030.94/6,446,449.48
  6. Step 6: Final answer
    x = 4,893,157.40

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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.