Home / 4,000,482.72-5,520,703.68-2,189,685.60

Finding the Fourth Proportional to 4,000,482.72, 5,520,703.68 and 2,189,685.60

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Solution

The fourth proportional to 4,000,482.72, 5,520,703.68 and 2,189,685.60 is: 3,021,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,482.72 : 5,520,703.68 = 2,189,685.60 : x
  2. Step 2: Convert to fraction form
    4,000,482.72/5,520,703.68 = 2,189,685.60/x
  3. Step 3: Cross multiply
    4,000,482.72x = 5,520,703.68 × 2,189,685.60
  4. Step 4: Simplify right side
    4,000,482.72x = 12,088,605,349,963.01
  5. Step 5: Solve for x
    x = 12,088,605,349,963.01/4,000,482.72
  6. Step 6: Final answer
    x = 3,021,786.67

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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.