Home / 1,572,983.56-2,165,745.62-1,429,314.67

Finding the Fourth Proportional to 1,572,983.56, 2,165,745.62 and 1,429,314.67

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Solution

The fourth proportional to 1,572,983.56, 2,165,745.62 and 1,429,314.67 is: 1,967,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,983.56 : 2,165,745.62 = 1,429,314.67 : x
  2. Step 2: Convert to fraction form
    1,572,983.56/2,165,745.62 = 1,429,314.67/x
  3. Step 3: Cross multiply
    1,572,983.56x = 2,165,745.62 × 1,429,314.67
  4. Step 4: Simplify right side
    1,572,983.56x = 3,095,531,979,007.67
  5. Step 5: Solve for x
    x = 3,095,531,979,007.67/1,572,983.56
  6. Step 6: Final answer
    x = 1,967,936.64

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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.