Home / 2,079,151.44-2,869,252.98-1,219,726.32

Finding the Fourth Proportional to 2,079,151.44, 2,869,252.98 and 1,219,726.32

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Solution

The fourth proportional to 2,079,151.44, 2,869,252.98 and 1,219,726.32 is: 1,683,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,151.44 : 2,869,252.98 = 1,219,726.32 : x
  2. Step 2: Convert to fraction form
    2,079,151.44/2,869,252.98 = 1,219,726.32/x
  3. Step 3: Cross multiply
    2,079,151.44x = 2,869,252.98 × 1,219,726.32
  4. Step 4: Simplify right side
    2,079,151.44x = 3,499,703,378,444.43
  5. Step 5: Solve for x
    x = 3,499,703,378,444.43/2,079,151.44
  6. Step 6: Final answer
    x = 1,683,236.40

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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.