Home / 1,988,944.80-2,983,417.20-1,233,117.60

Finding the Fourth Proportional to 1,988,944.80, 2,983,417.20 and 1,233,117.60

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Solution

The fourth proportional to 1,988,944.80, 2,983,417.20 and 1,233,117.60 is: 1,849,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,944.80 : 2,983,417.20 = 1,233,117.60 : x
  2. Step 2: Convert to fraction form
    1,988,944.80/2,983,417.20 = 1,233,117.60/x
  3. Step 3: Cross multiply
    1,988,944.80x = 2,983,417.20 × 1,233,117.60
  4. Step 4: Simplify right side
    1,988,944.80x = 3,678,904,257,462.72
  5. Step 5: Solve for x
    x = 3,678,904,257,462.72/1,988,944.80
  6. Step 6: Final answer
    x = 1,849,676.40

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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.