Home / 6,477,658.71-9,709,985.39-2,214,911.67

Finding the Fourth Proportional to 6,477,658.71, 9,709,985.39 and 2,214,911.67

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Solution

The fourth proportional to 6,477,658.71, 9,709,985.39 and 2,214,911.67 is: 3,320,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,658.71 : 9,709,985.39 = 2,214,911.67 : x
  2. Step 2: Convert to fraction form
    6,477,658.71/9,709,985.39 = 2,214,911.67/x
  3. Step 3: Cross multiply
    6,477,658.71x = 9,709,985.39 × 2,214,911.67
  4. Step 4: Simplify right side
    6,477,658.71x = 21,506,759,944,765.94
  5. Step 5: Solve for x
    x = 21,506,759,944,765.94/6,477,658.71
  6. Step 6: Final answer
    x = 3,320,144.04

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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.