Home / 3,013,000.87-4,519,798.98-990,424.39

Finding the Fourth Proportional to 3,013,000.87, 4,519,798.98 and 990,424.39

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Solution

The fourth proportional to 3,013,000.87, 4,519,798.98 and 990,424.39 is: 1,485,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,000.87 : 4,519,798.98 = 990,424.39 : x
  2. Step 2: Convert to fraction form
    3,013,000.87/4,519,798.98 = 990,424.39/x
  3. Step 3: Cross multiply
    3,013,000.87x = 4,519,798.98 × 990,424.39
  4. Step 4: Simplify right side
    3,013,000.87x = 4,476,519,147,689.12
  5. Step 5: Solve for x
    x = 4,476,519,147,689.12/3,013,000.87
  6. Step 6: Final answer
    x = 1,485,734.44

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1.5x scale

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.