Home / 2,868,206.12-3,957,982.06-1,579,018.83

Finding the Fourth Proportional to 2,868,206.12, 3,957,982.06 and 1,579,018.83

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Solution

The fourth proportional to 2,868,206.12, 3,957,982.06 and 1,579,018.83 is: 2,178,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,206.12 : 3,957,982.06 = 1,579,018.83 : x
  2. Step 2: Convert to fraction form
    2,868,206.12/3,957,982.06 = 1,579,018.83/x
  3. Step 3: Cross multiply
    2,868,206.12x = 3,957,982.06 × 1,579,018.83
  4. Step 4: Simplify right side
    2,868,206.12x = 6,249,728,201,542.19
  5. Step 5: Solve for x
    x = 6,249,728,201,542.19/2,868,206.12
  6. Step 6: Final answer
    x = 2,178,967.60

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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.