Home / 3,615,150.72-4,988,739.56-1,983,521.28

Finding the Fourth Proportional to 3,615,150.72, 4,988,739.56 and 1,983,521.28

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Solution

The fourth proportional to 3,615,150.72, 4,988,739.56 and 1,983,521.28 is: 2,737,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,150.72 : 4,988,739.56 = 1,983,521.28 : x
  2. Step 2: Convert to fraction form
    3,615,150.72/4,988,739.56 = 1,983,521.28/x
  3. Step 3: Cross multiply
    3,615,150.72x = 4,988,739.56 × 1,983,521.28
  4. Step 4: Simplify right side
    3,615,150.72x = 9,895,271,077,637.84
  5. Step 5: Solve for x
    x = 9,895,271,077,637.84/3,615,150.72
  6. Step 6: Final answer
    x = 2,737,166.95

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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.