Home / 2,989,904.66-4,124,633.72-1,956,957.82

Finding the Fourth Proportional to 2,989,904.66, 4,124,633.72 and 1,956,957.82

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Solution

The fourth proportional to 2,989,904.66, 4,124,633.72 and 1,956,957.82 is: 2,699,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,904.66 : 4,124,633.72 = 1,956,957.82 : x
  2. Step 2: Convert to fraction form
    2,989,904.66/4,124,633.72 = 1,956,957.82/x
  3. Step 3: Cross multiply
    2,989,904.66x = 4,124,633.72 × 1,956,957.82
  4. Step 4: Simplify right side
    2,989,904.66x = 8,071,734,212,989.69
  5. Step 5: Solve for x
    x = 8,071,734,212,989.69/2,989,904.66
  6. Step 6: Final answer
    x = 2,699,662.74

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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.