Home / 1,816,512.68-2,506,786.70-1,000,716.32

Finding the Fourth Proportional to 1,816,512.68, 2,506,786.70 and 1,000,716.32

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Solution

The fourth proportional to 1,816,512.68, 2,506,786.70 and 1,000,716.32 is: 1,380,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,512.68 : 2,506,786.70 = 1,000,716.32 : x
  2. Step 2: Convert to fraction form
    1,816,512.68/2,506,786.70 = 1,000,716.32/x
  3. Step 3: Cross multiply
    1,816,512.68x = 2,506,786.70 × 1,000,716.32
  4. Step 4: Simplify right side
    1,816,512.68x = 2,508,582,362,712.33
  5. Step 5: Solve for x
    x = 2,508,582,362,712.33/1,816,512.68
  6. Step 6: Final answer
    x = 1,380,988.08

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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.