Home / 2,991,516.32-4,128,591.48-1,784,292.32

Finding the Fourth Proportional to 2,991,516.32, 4,128,591.48 and 1,784,292.32

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Solution

The fourth proportional to 2,991,516.32, 4,128,591.48 and 1,784,292.32 is: 2,462,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,516.32 : 4,128,591.48 = 1,784,292.32 : x
  2. Step 2: Convert to fraction form
    2,991,516.32/4,128,591.48 = 1,784,292.32/x
  3. Step 3: Cross multiply
    2,991,516.32x = 4,128,591.48 × 1,784,292.32
  4. Step 4: Simplify right side
    2,991,516.32x = 7,366,614,070,181.43
  5. Step 5: Solve for x
    x = 7,366,614,070,181.43/2,991,516.32
  6. Step 6: Final answer
    x = 2,462,501.72

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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.