Home / 1,983,480.48-2,737,221.12-1,078,064.64

Finding the Fourth Proportional to 1,983,480.48, 2,737,221.12 and 1,078,064.64

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Solution

The fourth proportional to 1,983,480.48, 2,737,221.12 and 1,078,064.64 is: 1,487,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,480.48 : 2,737,221.12 = 1,078,064.64 : x
  2. Step 2: Convert to fraction form
    1,983,480.48/2,737,221.12 = 1,078,064.64/x
  3. Step 3: Cross multiply
    1,983,480.48x = 2,737,221.12 × 1,078,064.64
  4. Step 4: Simplify right side
    1,983,480.48x = 2,950,901,301,333.20
  5. Step 5: Solve for x
    x = 2,950,901,301,333.20/1,983,480.48
  6. Step 6: Final answer
    x = 1,487,739.02

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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.