Home / 2,740,150.75-4,111,138.93-918,695.91

Finding the Fourth Proportional to 2,740,150.75, 4,111,138.93 and 918,695.91

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Solution

The fourth proportional to 2,740,150.75, 4,111,138.93 and 918,695.91 is: 1,378,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,150.75 : 4,111,138.93 = 918,695.91 : x
  2. Step 2: Convert to fraction form
    2,740,150.75/4,111,138.93 = 918,695.91/x
  3. Step 3: Cross multiply
    2,740,150.75x = 4,111,138.93 × 918,695.91
  4. Step 4: Simplify right side
    2,740,150.75x = 3,776,886,497,580.34
  5. Step 5: Solve for x
    x = 3,776,886,497,580.34/2,740,150.75
  6. Step 6: Final answer
    x = 1,378,349.90

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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.