Home / 2,920,422.48-4,369,976.28-1,722,918.48

Finding the Fourth Proportional to 2,920,422.48, 4,369,976.28 and 1,722,918.48

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Solution

The fourth proportional to 2,920,422.48, 4,369,976.28 and 1,722,918.48 is: 2,578,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,422.48 : 4,369,976.28 = 1,722,918.48 : x
  2. Step 2: Convert to fraction form
    2,920,422.48/4,369,976.28 = 1,722,918.48/x
  3. Step 3: Cross multiply
    2,920,422.48x = 4,369,976.28 × 1,722,918.48
  4. Step 4: Simplify right side
    2,920,422.48x = 7,529,112,889,973.65
  5. Step 5: Solve for x
    x = 7,529,112,889,973.65/2,920,422.48
  6. Step 6: Final answer
    x = 2,578,090.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.