Home / 1,855,070.78-2,776,405.95-1,056,137.81

Finding the Fourth Proportional to 1,855,070.78, 2,776,405.95 and 1,056,137.81

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Solution

The fourth proportional to 1,855,070.78, 2,776,405.95 and 1,056,137.81 is: 1,580,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,070.78 : 2,776,405.95 = 1,056,137.81 : x
  2. Step 2: Convert to fraction form
    1,855,070.78/2,776,405.95 = 1,056,137.81/x
  3. Step 3: Cross multiply
    1,855,070.78x = 2,776,405.95 × 1,056,137.81
  4. Step 4: Simplify right side
    1,855,070.78x = 2,932,267,285,821.94
  5. Step 5: Solve for x
    x = 2,932,267,285,821.94/1,855,070.78
  6. Step 6: Final answer
    x = 1,580,676.77

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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.