Home / 2,999,645.63-4,500,129.41-869,818.67

Finding the Fourth Proportional to 2,999,645.63, 4,500,129.41 and 869,818.67

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Solution

The fourth proportional to 2,999,645.63, 4,500,129.41 and 869,818.67 is: 1,304,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,645.63 : 4,500,129.41 = 869,818.67 : x
  2. Step 2: Convert to fraction form
    2,999,645.63/4,500,129.41 = 869,818.67/x
  3. Step 3: Cross multiply
    2,999,645.63x = 4,500,129.41 × 869,818.67
  4. Step 4: Simplify right side
    2,999,645.63x = 3,914,296,573,884.99
  5. Step 5: Solve for x
    x = 3,914,296,573,884.99/2,999,645.63
  6. Step 6: Final answer
    x = 1,304,919.67

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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.