Home / 2,071,152.68-2,856,718.36-1,382,477.28

Finding the Fourth Proportional to 2,071,152.68, 2,856,718.36 and 1,382,477.28

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Solution

The fourth proportional to 2,071,152.68, 2,856,718.36 and 1,382,477.28 is: 1,906,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,152.68 : 2,856,718.36 = 1,382,477.28 : x
  2. Step 2: Convert to fraction form
    2,071,152.68/2,856,718.36 = 1,382,477.28/x
  3. Step 3: Cross multiply
    2,071,152.68x = 2,856,718.36 × 1,382,477.28
  4. Step 4: Simplify right side
    2,071,152.68x = 3,949,348,228,058.86
  5. Step 5: Solve for x
    x = 3,949,348,228,058.86/2,071,152.68
  6. Step 6: Final answer
    x = 1,906,835.87

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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.