Home / 2,988,401.40-4,482,602.10-993,857.40

Finding the Fourth Proportional to 2,988,401.40, 4,482,602.10 and 993,857.40

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Solution

The fourth proportional to 2,988,401.40, 4,482,602.10 and 993,857.40 is: 1,490,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,401.40 : 4,482,602.10 = 993,857.40 : x
  2. Step 2: Convert to fraction form
    2,988,401.40/4,482,602.10 = 993,857.40/x
  3. Step 3: Cross multiply
    2,988,401.40x = 4,482,602.10 × 993,857.40
  4. Step 4: Simplify right side
    2,988,401.40x = 4,455,067,268,340.54
  5. Step 5: Solve for x
    x = 4,455,067,268,340.54/2,988,401.40
  6. Step 6: Final answer
    x = 1,490,786.10

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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.