Home / 1,916,782.91-2,870,081.36-1,157,597.30

Finding the Fourth Proportional to 1,916,782.91, 2,870,081.36 and 1,157,597.30

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Solution

The fourth proportional to 1,916,782.91, 2,870,081.36 and 1,157,597.30 is: 1,733,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,782.91 : 2,870,081.36 = 1,157,597.30 : x
  2. Step 2: Convert to fraction form
    1,916,782.91/2,870,081.36 = 1,157,597.30/x
  3. Step 3: Cross multiply
    1,916,782.91x = 2,870,081.36 × 1,157,597.30
  4. Step 4: Simplify right side
    1,916,782.91x = 3,322,398,412,977.93
  5. Step 5: Solve for x
    x = 3,322,398,412,977.93/1,916,782.91
  6. Step 6: Final answer
    x = 1,733,320.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.