Home / 1,982,011.68-2,735,226.72-1,122,559.20

Finding the Fourth Proportional to 1,982,011.68, 2,735,226.72 and 1,122,559.20

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Solution

The fourth proportional to 1,982,011.68, 2,735,226.72 and 1,122,559.20 is: 1,549,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,011.68 : 2,735,226.72 = 1,122,559.20 : x
  2. Step 2: Convert to fraction form
    1,982,011.68/2,735,226.72 = 1,122,559.20/x
  3. Step 3: Cross multiply
    1,982,011.68x = 2,735,226.72 × 1,122,559.20
  4. Step 4: Simplify right side
    1,982,011.68x = 3,070,453,918,621.82
  5. Step 5: Solve for x
    x = 3,070,453,918,621.82/1,982,011.68
  6. Step 6: Final answer
    x = 1,549,160.36

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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.