Home / 6,477,661.71-9,709,989.87-2,214,914.67

Finding the Fourth Proportional to 6,477,661.71, 9,709,989.87 and 2,214,914.67

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Solution

The fourth proportional to 6,477,661.71, 9,709,989.87 and 2,214,914.67 is: 3,320,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,661.71 : 9,709,989.87 = 2,214,914.67 : x
  2. Step 2: Convert to fraction form
    6,477,661.71/9,709,989.87 = 2,214,914.67/x
  3. Step 3: Cross multiply
    6,477,661.71x = 9,709,989.87 × 2,214,914.67
  4. Step 4: Simplify right side
    6,477,661.71x = 21,506,799,008,614.39
  5. Step 5: Solve for x
    x = 21,506,799,008,614.39/6,477,661.71
  6. Step 6: Final answer
    x = 3,320,148.53

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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.