Home / 1,782,078.30-2,673,117.45-1,072,907.10

Finding the Fourth Proportional to 1,782,078.30, 2,673,117.45 and 1,072,907.10

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Solution

The fourth proportional to 1,782,078.30, 2,673,117.45 and 1,072,907.10 is: 1,609,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,078.30 : 2,673,117.45 = 1,072,907.10 : x
  2. Step 2: Convert to fraction form
    1,782,078.30/2,673,117.45 = 1,072,907.10/x
  3. Step 3: Cross multiply
    1,782,078.30x = 2,673,117.45 × 1,072,907.10
  4. Step 4: Simplify right side
    1,782,078.30x = 2,868,006,691,238.90
  5. Step 5: Solve for x
    x = 2,868,006,691,238.90/1,782,078.30
  6. Step 6: Final answer
    x = 1,609,360.65

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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.