Home / 4,918,744.80-7,378,117.20-2,894,911.20

Finding the Fourth Proportional to 4,918,744.80, 7,378,117.20 and 2,894,911.20

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Solution

The fourth proportional to 4,918,744.80, 7,378,117.20 and 2,894,911.20 is: 4,342,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,744.80 : 7,378,117.20 = 2,894,911.20 : x
  2. Step 2: Convert to fraction form
    4,918,744.80/7,378,117.20 = 2,894,911.20/x
  3. Step 3: Cross multiply
    4,918,744.80x = 7,378,117.20 × 2,894,911.20
  4. Step 4: Simplify right side
    4,918,744.80x = 21,358,994,117,192.64
  5. Step 5: Solve for x
    x = 21,358,994,117,192.64/4,918,744.80
  6. Step 6: Final answer
    x = 4,342,366.80

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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.