Home / 2,889,752.37-3,985,106.46-1,728,009.43

Finding the Fourth Proportional to 2,889,752.37, 3,985,106.46 and 1,728,009.43

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Solution

The fourth proportional to 2,889,752.37, 3,985,106.46 and 1,728,009.43 is: 2,383,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,752.37 : 3,985,106.46 = 1,728,009.43 : x
  2. Step 2: Convert to fraction form
    2,889,752.37/3,985,106.46 = 1,728,009.43/x
  3. Step 3: Cross multiply
    2,889,752.37x = 3,985,106.46 × 1,728,009.43
  4. Step 4: Simplify right side
    2,889,752.37x = 6,886,301,513,868.34
  5. Step 5: Solve for x
    x = 6,886,301,513,868.34/2,889,752.37
  6. Step 6: Final answer
    x = 2,383,007.48

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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.