Home / 2,243,089.20-3,364,633.80-1,640,789.40

Finding the Fourth Proportional to 2,243,089.20, 3,364,633.80 and 1,640,789.40

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Solution

The fourth proportional to 2,243,089.20, 3,364,633.80 and 1,640,789.40 is: 2,461,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,089.20 : 3,364,633.80 = 1,640,789.40 : x
  2. Step 2: Convert to fraction form
    2,243,089.20/3,364,633.80 = 1,640,789.40/x
  3. Step 3: Cross multiply
    2,243,089.20x = 3,364,633.80 × 1,640,789.40
  4. Step 4: Simplify right side
    2,243,089.20x = 5,520,655,473,921.72
  5. Step 5: Solve for x
    x = 5,520,655,473,921.72/2,243,089.20
  6. Step 6: Final answer
    x = 2,461,184.10

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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.