Home / 2,138,116.66-2,950,601.54-1,171,281.32

Finding the Fourth Proportional to 2,138,116.66, 2,950,601.54 and 1,171,281.32

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Solution

The fourth proportional to 2,138,116.66, 2,950,601.54 and 1,171,281.32 is: 1,616,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,116.66 : 2,950,601.54 = 1,171,281.32 : x
  2. Step 2: Convert to fraction form
    2,138,116.66/2,950,601.54 = 1,171,281.32/x
  3. Step 3: Cross multiply
    2,138,116.66x = 2,950,601.54 × 1,171,281.32
  4. Step 4: Simplify right side
    2,138,116.66x = 3,455,984,451,812.23
  5. Step 5: Solve for x
    x = 3,455,984,451,812.23/2,138,116.66
  6. Step 6: Final answer
    x = 1,616,368.52

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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.