Home / 4,911,426.56-6,728,686.86-4,727,339.78

Finding the Fourth Proportional to 4,911,426.56, 6,728,686.86 and 4,727,339.78

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Solution

The fourth proportional to 4,911,426.56, 6,728,686.86 and 4,727,339.78 is: 6,476,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911,426.56 : 6,728,686.86 = 4,727,339.78 : x
  2. Step 2: Convert to fraction form
    4,911,426.56/6,728,686.86 = 4,727,339.78/x
  3. Step 3: Cross multiply
    4,911,426.56x = 6,728,686.86 × 4,727,339.78
  4. Step 4: Simplify right side
    4,911,426.56x = 31,808,789,060,441.29
  5. Step 5: Solve for x
    x = 31,808,789,060,441.29/4,911,426.56
  6. Step 6: Final answer
    x = 6,476,486.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.