Home / 3,025,386.72-4,174,912.12-1,648,701.20

Finding the Fourth Proportional to 3,025,386.72, 4,174,912.12 and 1,648,701.20

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Solution

The fourth proportional to 3,025,386.72, 4,174,912.12 and 1,648,701.20 is: 2,275,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025,386.72 : 4,174,912.12 = 1,648,701.20 : x
  2. Step 2: Convert to fraction form
    3,025,386.72/4,174,912.12 = 1,648,701.20/x
  3. Step 3: Cross multiply
    3,025,386.72x = 4,174,912.12 × 1,648,701.20
  4. Step 4: Simplify right side
    3,025,386.72x = 6,883,182,622,138.54
  5. Step 5: Solve for x
    x = 6,883,182,622,138.54/3,025,386.72
  6. Step 6: Final answer
    x = 2,275,141.41

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1.5x scale

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.