Home / 2,031,397.78-3,046,210.83-768,339.67

Finding the Fourth Proportional to 2,031,397.78, 3,046,210.83 and 768,339.67

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Solution

The fourth proportional to 2,031,397.78, 3,046,210.83 and 768,339.67 is: 1,152,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031,397.78 : 3,046,210.83 = 768,339.67 : x
  2. Step 2: Convert to fraction form
    2,031,397.78/3,046,210.83 = 768,339.67/x
  3. Step 3: Cross multiply
    2,031,397.78x = 3,046,210.83 × 768,339.67
  4. Step 4: Simplify right side
    2,031,397.78x = 2,340,524,623,872.63
  5. Step 5: Solve for x
    x = 2,340,524,623,872.63/2,031,397.78
  6. Step 6: Final answer
    x = 1,152,174.45

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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.