Home / 3,346,406.31-4,618,434.37-1,988,279.31

Finding the Fourth Proportional to 3,346,406.31, 4,618,434.37 and 1,988,279.31

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Solution

The fourth proportional to 3,346,406.31, 4,618,434.37 and 1,988,279.31 is: 2,744,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,406.31 : 4,618,434.37 = 1,988,279.31 : x
  2. Step 2: Convert to fraction form
    3,346,406.31/4,618,434.37 = 1,988,279.31/x
  3. Step 3: Cross multiply
    3,346,406.31x = 4,618,434.37 × 1,988,279.31
  4. Step 4: Simplify right side
    3,346,406.31x = 9,182,737,502,463.89
  5. Step 5: Solve for x
    x = 9,182,737,502,463.89/3,346,406.31
  6. Step 6: Final answer
    x = 2,744,059.34

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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.