Home / 1,618,557.96-2,233,610.10-893,405.86

Finding the Fourth Proportional to 1,618,557.96, 2,233,610.10 and 893,405.86

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Solution

The fourth proportional to 1,618,557.96, 2,233,610.10 and 893,405.86 is: 1,232,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,557.96 : 2,233,610.10 = 893,405.86 : x
  2. Step 2: Convert to fraction form
    1,618,557.96/2,233,610.10 = 893,405.86/x
  3. Step 3: Cross multiply
    1,618,557.96x = 2,233,610.10 × 893,405.86
  4. Step 4: Simplify right side
    1,618,557.96x = 1,995,520,355,087.20
  5. Step 5: Solve for x
    x = 1,995,520,355,087.20/1,618,557.96
  6. Step 6: Final answer
    x = 1,232,900.15

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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.