Home / 1,918,574.09-2,647,680.38-1,091,602.16

Finding the Fourth Proportional to 1,918,574.09, 2,647,680.38 and 1,091,602.16

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Solution

The fourth proportional to 1,918,574.09, 2,647,680.38 and 1,091,602.16 is: 1,506,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,574.09 : 2,647,680.38 = 1,091,602.16 : x
  2. Step 2: Convert to fraction form
    1,918,574.09/2,647,680.38 = 1,091,602.16/x
  3. Step 3: Cross multiply
    1,918,574.09x = 2,647,680.38 × 1,091,602.16
  4. Step 4: Simplify right side
    1,918,574.09x = 2,890,213,621,797.62
  5. Step 5: Solve for x
    x = 2,890,213,621,797.62/1,918,574.09
  6. Step 6: Final answer
    x = 1,506,438.37

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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.