Home / 2,868,205.12-3,957,980.68-1,579,017.83

Finding the Fourth Proportional to 2,868,205.12, 3,957,980.68 and 1,579,017.83

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Solution

The fourth proportional to 2,868,205.12, 3,957,980.68 and 1,579,017.83 is: 2,178,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,205.12 : 3,957,980.68 = 1,579,017.83 : x
  2. Step 2: Convert to fraction form
    2,868,205.12/3,957,980.68 = 1,579,017.83/x
  3. Step 3: Cross multiply
    2,868,205.12x = 3,957,980.68 × 1,579,017.83
  4. Step 4: Simplify right side
    2,868,205.12x = 6,249,722,064,515.53
  5. Step 5: Solve for x
    x = 6,249,722,064,515.53/2,868,205.12
  6. Step 6: Final answer
    x = 2,178,966.22

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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.