Home / 2,191,322.40-3,285,428.40-993,818.40

Finding the Fourth Proportional to 2,191,322.40, 3,285,428.40 and 993,818.40

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Solution

The fourth proportional to 2,191,322.40, 3,285,428.40 and 993,818.40 is: 1,490,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,322.40 : 3,285,428.40 = 993,818.40 : x
  2. Step 2: Convert to fraction form
    2,191,322.40/3,285,428.40 = 993,818.40/x
  3. Step 3: Cross multiply
    2,191,322.40x = 3,285,428.40 × 993,818.40
  4. Step 4: Simplify right side
    2,191,322.40x = 3,265,119,195,802.56
  5. Step 5: Solve for x
    x = 3,265,119,195,802.56/2,191,322.40
  6. Step 6: Final answer
    x = 1,490,022.28

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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.