Home / 1,916,782.40-2,870,080.61-1,157,596.80

Finding the Fourth Proportional to 1,916,782.40, 2,870,080.61 and 1,157,596.80

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Solution

The fourth proportional to 1,916,782.40, 2,870,080.61 and 1,157,596.80 is: 1,733,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,782.40 : 2,870,080.61 = 1,157,596.80 : x
  2. Step 2: Convert to fraction form
    1,916,782.40/2,870,080.61 = 1,157,596.80/x
  3. Step 3: Cross multiply
    1,916,782.40x = 2,870,080.61 × 1,157,596.80
  4. Step 4: Simplify right side
    1,916,782.40x = 3,322,396,129,878.05
  5. Step 5: Solve for x
    x = 3,322,396,129,878.05/1,916,782.40
  6. Step 6: Final answer
    x = 1,733,319.41

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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.