Home / 2,985,205.14-4,119,537.45-1,678,458.33

Finding the Fourth Proportional to 2,985,205.14, 4,119,537.45 and 1,678,458.33

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Solution

The fourth proportional to 2,985,205.14, 4,119,537.45 and 1,678,458.33 is: 2,316,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,205.14 : 4,119,537.45 = 1,678,458.33 : x
  2. Step 2: Convert to fraction form
    2,985,205.14/4,119,537.45 = 1,678,458.33/x
  3. Step 3: Cross multiply
    2,985,205.14x = 4,119,537.45 × 1,678,458.33
  4. Step 4: Simplify right side
    2,985,205.14x = 6,914,471,948,699.46
  5. Step 5: Solve for x
    x = 6,914,471,948,699.46/2,985,205.14
  6. Step 6: Final answer
    x = 2,316,246.83

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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.