Home / 2,124,217-3,186,328.56-1,621,631.56

Finding the Fourth Proportional to 2,124,217, 3,186,328.56 and 1,621,631.56

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Solution

The fourth proportional to 2,124,217, 3,186,328.56 and 1,621,631.56 is: 2,432,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,217 : 3,186,328.56 = 1,621,631.56 : x
  2. Step 2: Convert to fraction form
    2,124,217/3,186,328.56 = 1,621,631.56/x
  3. Step 3: Cross multiply
    2,124,217x = 3,186,328.56 × 1,621,631.56
  4. Step 4: Simplify right side
    2,124,217x = 5,167,050,953,425.35
  5. Step 5: Solve for x
    x = 5,167,050,953,425.35/2,124,217
  6. Step 6: Final answer
    x = 2,432,449.68

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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.