Home / 2,859,145.79-3,945,690.12-1,552,453.40

Finding the Fourth Proportional to 2,859,145.79, 3,945,690.12 and 1,552,453.40

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Solution

The fourth proportional to 2,859,145.79, 3,945,690.12 and 1,552,453.40 is: 2,142,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,145.79 : 3,945,690.12 = 1,552,453.40 : x
  2. Step 2: Convert to fraction form
    2,859,145.79/3,945,690.12 = 1,552,453.40/x
  3. Step 3: Cross multiply
    2,859,145.79x = 3,945,690.12 × 1,552,453.40
  4. Step 4: Simplify right side
    2,859,145.79x = 6,125,500,042,140.41
  5. Step 5: Solve for x
    x = 6,125,500,042,140.41/2,859,145.79
  6. Step 6: Final answer
    x = 2,142,423.12

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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.