Home / 1,979,984.40-2,966,477.40-1,854,013.20

Finding the Fourth Proportional to 1,979,984.40, 2,966,477.40 and 1,854,013.20

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Solution

The fourth proportional to 1,979,984.40, 2,966,477.40 and 1,854,013.20 is: 2,777,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,984.40 : 2,966,477.40 = 1,854,013.20 : x
  2. Step 2: Convert to fraction form
    1,979,984.40/2,966,477.40 = 1,854,013.20/x
  3. Step 3: Cross multiply
    1,979,984.40x = 2,966,477.40 × 1,854,013.20
  4. Step 4: Simplify right side
    1,979,984.40x = 5,499,888,257,101.68
  5. Step 5: Solve for x
    x = 5,499,888,257,101.68/1,979,984.40
  6. Step 6: Final answer
    x = 2,777,743.23

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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.