Home / 2,078,742-2,868,664.14-1,173,382.32

Finding the Fourth Proportional to 2,078,742, 2,868,664.14 and 1,173,382.32

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Solution

The fourth proportional to 2,078,742, 2,868,664.14 and 1,173,382.32 is: 1,619,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,742 : 2,868,664.14 = 1,173,382.32 : x
  2. Step 2: Convert to fraction form
    2,078,742/2,868,664.14 = 1,173,382.32/x
  3. Step 3: Cross multiply
    2,078,742x = 2,868,664.14 × 1,173,382.32
  4. Step 4: Simplify right side
    2,078,742x = 3,366,039,783,894.01
  5. Step 5: Solve for x
    x = 3,366,039,783,894.01/2,078,742
  6. Step 6: Final answer
    x = 1,619,267.70

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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.