Home / 5,437,820.15-7,504,384.38-2,990,620.61

Finding the Fourth Proportional to 5,437,820.15, 7,504,384.38 and 2,990,620.61

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Solution

The fourth proportional to 5,437,820.15, 7,504,384.38 and 2,990,620.61 is: 4,127,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437,820.15 : 7,504,384.38 = 2,990,620.61 : x
  2. Step 2: Convert to fraction form
    5,437,820.15/7,504,384.38 = 2,990,620.61/x
  3. Step 3: Cross multiply
    5,437,820.15x = 7,504,384.38 × 2,990,620.61
  4. Step 4: Simplify right side
    5,437,820.15x = 22,442,766,622,165.86
  5. Step 5: Solve for x
    x = 22,442,766,622,165.86/5,437,820.15
  6. Step 6: Final answer
    x = 4,127,162.35

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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.