Home / 1,898,285.82-2,620,857.04-1,693,985.39

Finding the Fourth Proportional to 1,898,285.82, 2,620,857.04 and 1,693,985.39

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Solution

The fourth proportional to 1,898,285.82, 2,620,857.04 and 1,693,985.39 is: 2,338,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,285.82 : 2,620,857.04 = 1,693,985.39 : x
  2. Step 2: Convert to fraction form
    1,898,285.82/2,620,857.04 = 1,693,985.39/x
  3. Step 3: Cross multiply
    1,898,285.82x = 2,620,857.04 × 1,693,985.39
  4. Step 4: Simplify right side
    1,898,285.82x = 4,439,693,537,355.83
  5. Step 5: Solve for x
    x = 4,439,693,537,355.83/1,898,285.82
  6. Step 6: Final answer
    x = 2,338,790.87

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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.