Home / 2,421,217.79-3,341,033.30-1,490,777.78

Finding the Fourth Proportional to 2,421,217.79, 3,341,033.30 and 1,490,777.78

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Solution

The fourth proportional to 2,421,217.79, 3,341,033.30 and 1,490,777.78 is: 2,057,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,217.79 : 3,341,033.30 = 1,490,777.78 : x
  2. Step 2: Convert to fraction form
    2,421,217.79/3,341,033.30 = 1,490,777.78/x
  3. Step 3: Cross multiply
    2,421,217.79x = 3,341,033.30 × 1,490,777.78
  4. Step 4: Simplify right side
    2,421,217.79x = 4,980,738,191,048.79
  5. Step 5: Solve for x
    x = 4,980,738,191,048.79/2,421,217.79
  6. Step 6: Final answer
    x = 2,057,121.09

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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.