Home / 2,774,669.36-4,162,004.04-780,125.36

Finding the Fourth Proportional to 2,774,669.36, 4,162,004.04 and 780,125.36

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Solution

The fourth proportional to 2,774,669.36, 4,162,004.04 and 780,125.36 is: 1,170,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,669.36 : 4,162,004.04 = 780,125.36 : x
  2. Step 2: Convert to fraction form
    2,774,669.36/4,162,004.04 = 780,125.36/x
  3. Step 3: Cross multiply
    2,774,669.36x = 4,162,004.04 × 780,125.36
  4. Step 4: Simplify right side
    2,774,669.36x = 3,246,884,900,026.45
  5. Step 5: Solve for x
    x = 3,246,884,900,026.45/2,774,669.36
  6. Step 6: Final answer
    x = 1,170,188.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.