Home / 2,141,703.20-3,213,721.20-879,658.40

Finding the Fourth Proportional to 2,141,703.20, 3,213,721.20 and 879,658.40

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Solution

The fourth proportional to 2,141,703.20, 3,213,721.20 and 879,658.40 is: 1,319,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,703.20 : 3,213,721.20 = 879,658.40 : x
  2. Step 2: Convert to fraction form
    2,141,703.20/3,213,721.20 = 879,658.40/x
  3. Step 3: Cross multiply
    2,141,703.20x = 3,213,721.20 × 879,658.40
  4. Step 4: Simplify right side
    2,141,703.20x = 2,826,976,848,838.08
  5. Step 5: Solve for x
    x = 2,826,976,848,838.08/2,141,703.20
  6. Step 6: Final answer
    x = 1,319,966.67

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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.