Home / 4,808,225.61-7,200,889.05-2,782,199.74

Finding the Fourth Proportional to 4,808,225.61, 7,200,889.05 and 2,782,199.74

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Solution

The fourth proportional to 4,808,225.61, 7,200,889.05 and 2,782,199.74 is: 4,166,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808,225.61 : 7,200,889.05 = 2,782,199.74 : x
  2. Step 2: Convert to fraction form
    4,808,225.61/7,200,889.05 = 2,782,199.74/x
  3. Step 3: Cross multiply
    4,808,225.61x = 7,200,889.05 × 2,782,199.74
  4. Step 4: Simplify right side
    4,808,225.61x = 20,034,311,642,678.85
  5. Step 5: Solve for x
    x = 20,034,311,642,678.85/4,808,225.61
  6. Step 6: Final answer
    x = 4,166,674.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.