Home / 1,931,212.32-2,664,896.90-1,146,142.86

Finding the Fourth Proportional to 1,931,212.32, 2,664,896.90 and 1,146,142.86

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Solution

The fourth proportional to 1,931,212.32, 2,664,896.90 and 1,146,142.86 is: 1,581,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,212.32 : 2,664,896.90 = 1,146,142.86 : x
  2. Step 2: Convert to fraction form
    1,931,212.32/2,664,896.90 = 1,146,142.86/x
  3. Step 3: Cross multiply
    1,931,212.32x = 2,664,896.90 × 1,146,142.86
  4. Step 4: Simplify right side
    1,931,212.32x = 3,054,352,554,571.13
  5. Step 5: Solve for x
    x = 3,054,352,554,571.13/1,931,212.32
  6. Step 6: Final answer
    x = 1,581,572.63

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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.