Home / 2,154,784.32-2,973,625.24-1,187,949.20

Finding the Fourth Proportional to 2,154,784.32, 2,973,625.24 and 1,187,949.20

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Solution

The fourth proportional to 2,154,784.32, 2,973,625.24 and 1,187,949.20 is: 1,639,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,784.32 : 2,973,625.24 = 1,187,949.20 : x
  2. Step 2: Convert to fraction form
    2,154,784.32/2,973,625.24 = 1,187,949.20/x
  3. Step 3: Cross multiply
    2,154,784.32x = 2,973,625.24 × 1,187,949.20
  4. Step 4: Simplify right side
    2,154,784.32x = 3,532,515,724,957.81
  5. Step 5: Solve for x
    x = 3,532,515,724,957.81/2,154,784.32
  6. Step 6: Final answer
    x = 1,639,382.51

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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.