Home / 3,238,139.40-4,857,209.10-1,243,643.40

Finding the Fourth Proportional to 3,238,139.40, 4,857,209.10 and 1,243,643.40

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Solution

The fourth proportional to 3,238,139.40, 4,857,209.10 and 1,243,643.40 is: 1,865,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,139.40 : 4,857,209.10 = 1,243,643.40 : x
  2. Step 2: Convert to fraction form
    3,238,139.40/4,857,209.10 = 1,243,643.40/x
  3. Step 3: Cross multiply
    3,238,139.40x = 4,857,209.10 × 1,243,643.40
  4. Step 4: Simplify right side
    3,238,139.40x = 6,040,636,039,634.94
  5. Step 5: Solve for x
    x = 6,040,636,039,634.94/3,238,139.40
  6. Step 6: Final answer
    x = 1,865,465.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.