Home / 3,478,482.88-4,800,355.86-2,101,635.16

Finding the Fourth Proportional to 3,478,482.88, 4,800,355.86 and 2,101,635.16

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Solution

The fourth proportional to 3,478,482.88, 4,800,355.86 and 2,101,635.16 is: 2,900,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,482.88 : 4,800,355.86 = 2,101,635.16 : x
  2. Step 2: Convert to fraction form
    3,478,482.88/4,800,355.86 = 2,101,635.16/x
  3. Step 3: Cross multiply
    3,478,482.88x = 4,800,355.86 × 2,101,635.16
  4. Step 4: Simplify right side
    3,478,482.88x = 10,088,596,655,888.04
  5. Step 5: Solve for x
    x = 10,088,596,655,888.04/3,478,482.88
  6. Step 6: Final answer
    x = 2,900,286.42

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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.