Home / 2,870,342.64-3,961,054.44-1,581,153.12

Finding the Fourth Proportional to 2,870,342.64, 3,961,054.44 and 1,581,153.12

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Solution

The fourth proportional to 2,870,342.64, 3,961,054.44 and 1,581,153.12 is: 2,181,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,342.64 : 3,961,054.44 = 1,581,153.12 : x
  2. Step 2: Convert to fraction form
    2,870,342.64/3,961,054.44 = 1,581,153.12/x
  3. Step 3: Cross multiply
    2,870,342.64x = 3,961,054.44 × 1,581,153.12
  4. Step 4: Simplify right side
    2,870,342.64x = 6,263,033,586,295.85
  5. Step 5: Solve for x
    x = 6,263,033,586,295.85/2,870,342.64
  6. Step 6: Final answer
    x = 2,181,981.17

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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.