Home / 2,031,400.65-3,046,215.11-768,342.54

Finding the Fourth Proportional to 2,031,400.65, 3,046,215.11 and 768,342.54

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Solution

The fourth proportional to 2,031,400.65, 3,046,215.11 and 768,342.54 is: 1,152,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031,400.65 : 3,046,215.11 = 768,342.54 : x
  2. Step 2: Convert to fraction form
    2,031,400.65/3,046,215.11 = 768,342.54/x
  3. Step 3: Cross multiply
    2,031,400.65x = 3,046,215.11 × 768,342.54
  4. Step 4: Simplify right side
    2,031,400.65x = 2,340,536,637,963.53
  5. Step 5: Solve for x
    x = 2,340,536,637,963.53/2,031,400.65
  6. Step 6: Final answer
    x = 1,152,178.74

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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.