Home / 4,990,288.55-6,886,639.38-2,755,138.10

Finding the Fourth Proportional to 4,990,288.55, 6,886,639.38 and 2,755,138.10

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Solution

The fourth proportional to 4,990,288.55, 6,886,639.38 and 2,755,138.10 is: 3,802,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,288.55 : 6,886,639.38 = 2,755,138.10 : x
  2. Step 2: Convert to fraction form
    4,990,288.55/6,886,639.38 = 2,755,138.10/x
  3. Step 3: Cross multiply
    4,990,288.55x = 6,886,639.38 × 2,755,138.10
  4. Step 4: Simplify right side
    4,990,288.55x = 18,973,642,536,798.38
  5. Step 5: Solve for x
    x = 18,973,642,536,798.38/4,990,288.55
  6. Step 6: Final answer
    x = 3,802,113.31

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1.5x scale

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.