Home / 1,572,432.63-2,171,318.04-1,491,719.37

Finding the Fourth Proportional to 1,572,432.63, 2,171,318.04 and 1,491,719.37

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Solution

The fourth proportional to 1,572,432.63, 2,171,318.04 and 1,491,719.37 is: 2,059,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,432.63 : 2,171,318.04 = 1,491,719.37 : x
  2. Step 2: Convert to fraction form
    1,572,432.63/2,171,318.04 = 1,491,719.37/x
  3. Step 3: Cross multiply
    1,572,432.63x = 2,171,318.04 × 1,491,719.37
  4. Step 4: Simplify right side
    1,572,432.63x = 3,238,997,178,698.44
  5. Step 5: Solve for x
    x = 3,238,997,178,698.44/1,572,432.63
  6. Step 6: Final answer
    x = 2,059,863.88

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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.