Home / 2,293,421.20-3,440,131.80-2,045,415.40

Finding the Fourth Proportional to 2,293,421.20, 3,440,131.80 and 2,045,415.40

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Solution

The fourth proportional to 2,293,421.20, 3,440,131.80 and 2,045,415.40 is: 3,068,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293,421.20 : 3,440,131.80 = 2,045,415.40 : x
  2. Step 2: Convert to fraction form
    2,293,421.20/3,440,131.80 = 2,045,415.40/x
  3. Step 3: Cross multiply
    2,293,421.20x = 3,440,131.80 × 2,045,415.40
  4. Step 4: Simplify right side
    2,293,421.20x = 7,036,498,561,749.72
  5. Step 5: Solve for x
    x = 7,036,498,561,749.72/2,293,421.20
  6. Step 6: Final answer
    x = 3,068,123.10

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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.