Home / 3,157,640-4,357,646.88-1,726,856

Finding the Fourth Proportional to 3,157,640, 4,357,646.88 and 1,726,856

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Solution

The fourth proportional to 3,157,640, 4,357,646.88 and 1,726,856 is: 2,383,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,640 : 4,357,646.88 = 1,726,856 : x
  2. Step 2: Convert to fraction form
    3,157,640/4,357,646.88 = 1,726,856/x
  3. Step 3: Cross multiply
    3,157,640x = 4,357,646.88 × 1,726,856
  4. Step 4: Simplify right side
    3,157,640x = 7,525,028,660,609.28
  5. Step 5: Solve for x
    x = 7,525,028,660,609.28/3,157,640
  6. Step 6: Final answer
    x = 2,383,117.98

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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.