Home / 3,421,943.14-4,722,285.80-2,132,782.51

Finding the Fourth Proportional to 3,421,943.14, 4,722,285.80 and 2,132,782.51

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Solution

The fourth proportional to 3,421,943.14, 4,722,285.80 and 2,132,782.51 is: 2,943,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,943.14 : 4,722,285.80 = 2,132,782.51 : x
  2. Step 2: Convert to fraction form
    3,421,943.14/4,722,285.80 = 2,132,782.51/x
  3. Step 3: Cross multiply
    3,421,943.14x = 4,722,285.80 × 2,132,782.51
  4. Step 4: Simplify right side
    3,421,943.14x = 10,071,608,561,461.36
  5. Step 5: Solve for x
    x = 10,071,608,561,461.36/3,421,943.14
  6. Step 6: Final answer
    x = 2,943,242.52

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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.