Home / 2,191,344.40-3,285,461.40-993,840.40

Finding the Fourth Proportional to 2,191,344.40, 3,285,461.40 and 993,840.40

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Solution

The fourth proportional to 2,191,344.40, 3,285,461.40 and 993,840.40 is: 1,490,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,344.40 : 3,285,461.40 = 993,840.40 : x
  2. Step 2: Convert to fraction form
    2,191,344.40/3,285,461.40 = 993,840.40/x
  3. Step 3: Cross multiply
    2,191,344.40x = 3,285,461.40 × 993,840.40
  4. Step 4: Simplify right side
    2,191,344.40x = 3,265,224,271,960.56
  5. Step 5: Solve for x
    x = 3,265,224,271,960.56/2,191,344.40
  6. Step 6: Final answer
    x = 1,490,055.27

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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.