Home / 2,861,858.72-3,949,285.44-1,572,698.72

Finding the Fourth Proportional to 2,861,858.72, 3,949,285.44 and 1,572,698.72

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Solution

The fourth proportional to 2,861,858.72, 3,949,285.44 and 1,572,698.72 is: 2,170,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,858.72 : 3,949,285.44 = 1,572,698.72 : x
  2. Step 2: Convert to fraction form
    2,861,858.72/3,949,285.44 = 1,572,698.72/x
  3. Step 3: Cross multiply
    2,861,858.72x = 3,949,285.44 × 1,572,698.72
  4. Step 4: Simplify right side
    2,861,858.72x = 6,211,036,156,402.64
  5. Step 5: Solve for x
    x = 6,211,036,156,402.64/2,861,858.72
  6. Step 6: Final answer
    x = 2,170,280.49

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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.