Home / 3,114,930-4,298,603.40-1,684,146

Finding the Fourth Proportional to 3,114,930, 4,298,603.40 and 1,684,146

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Solution

The fourth proportional to 3,114,930, 4,298,603.40 and 1,684,146 is: 2,324,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,930 : 4,298,603.40 = 1,684,146 : x
  2. Step 2: Convert to fraction form
    3,114,930/4,298,603.40 = 1,684,146/x
  3. Step 3: Cross multiply
    3,114,930x = 4,298,603.40 × 1,684,146
  4. Step 4: Simplify right side
    3,114,930x = 7,239,475,721,696.40
  5. Step 5: Solve for x
    x = 7,239,475,721,696.40/3,114,930
  6. Step 6: Final answer
    x = 2,324,121.48

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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.