Home / 1,870,110.81-2,582,033.63-1,191,965.85

Finding the Fourth Proportional to 1,870,110.81, 2,582,033.63 and 1,191,965.85

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Solution

The fourth proportional to 1,870,110.81, 2,582,033.63 and 1,191,965.85 is: 1,645,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,110.81 : 2,582,033.63 = 1,191,965.85 : x
  2. Step 2: Convert to fraction form
    1,870,110.81/2,582,033.63 = 1,191,965.85/x
  3. Step 3: Cross multiply
    1,870,110.81x = 2,582,033.63 × 1,191,965.85
  4. Step 4: Simplify right side
    1,870,110.81x = 3,077,695,904,551.71
  5. Step 5: Solve for x
    x = 3,077,695,904,551.71/1,870,110.81
  6. Step 6: Final answer
    x = 1,645,729.17

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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.