Home / 3,186,424.08-4,392,285.48-2,166,057.36

Finding the Fourth Proportional to 3,186,424.08, 4,392,285.48 and 2,166,057.36

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Solution

The fourth proportional to 3,186,424.08, 4,392,285.48 and 2,166,057.36 is: 2,985,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,424.08 : 4,392,285.48 = 2,166,057.36 : x
  2. Step 2: Convert to fraction form
    3,186,424.08/4,392,285.48 = 2,166,057.36/x
  3. Step 3: Cross multiply
    3,186,424.08x = 4,392,285.48 × 2,166,057.36
  4. Step 4: Simplify right side
    3,186,424.08x = 9,513,942,291,175.13
  5. Step 5: Solve for x
    x = 9,513,942,291,175.13/3,186,424.08
  6. Step 6: Final answer
    x = 2,985,774.04

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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.