Home / 1,891,916.16-2,835,409.92-768,672

Finding the Fourth Proportional to 1,891,916.16, 2,835,409.92 and 768,672

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Solution

The fourth proportional to 1,891,916.16, 2,835,409.92 and 768,672 is: 1,152,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,916.16 : 2,835,409.92 = 768,672 : x
  2. Step 2: Convert to fraction form
    1,891,916.16/2,835,409.92 = 768,672/x
  3. Step 3: Cross multiply
    1,891,916.16x = 2,835,409.92 × 768,672
  4. Step 4: Simplify right side
    1,891,916.16x = 2,179,500,214,026.24
  5. Step 5: Solve for x
    x = 2,179,500,214,026.24/1,891,916.16
  6. Step 6: Final answer
    x = 1,152,006.76

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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.