Home / 1,977,462.76-2,728,916.58-1,072,046.92

Finding the Fourth Proportional to 1,977,462.76, 2,728,916.58 and 1,072,046.92

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Solution

The fourth proportional to 1,977,462.76, 2,728,916.58 and 1,072,046.92 is: 1,479,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,462.76 : 2,728,916.58 = 1,072,046.92 : x
  2. Step 2: Convert to fraction form
    1,977,462.76/2,728,916.58 = 1,072,046.92/x
  3. Step 3: Cross multiply
    1,977,462.76x = 2,728,916.58 × 1,072,046.92
  4. Step 4: Simplify right side
    1,977,462.76x = 2,925,526,614,525.93
  5. Step 5: Solve for x
    x = 2,925,526,614,525.93/1,977,462.76
  6. Step 6: Final answer
    x = 1,479,434.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.