Home / 2,051,590.40-3,079,912.80-1,293,430.40

Finding the Fourth Proportional to 2,051,590.40, 3,079,912.80 and 1,293,430.40

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Solution

The fourth proportional to 2,051,590.40, 3,079,912.80 and 1,293,430.40 is: 1,941,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,590.40 : 3,079,912.80 = 1,293,430.40 : x
  2. Step 2: Convert to fraction form
    2,051,590.40/3,079,912.80 = 1,293,430.40/x
  3. Step 3: Cross multiply
    2,051,590.40x = 3,079,912.80 × 1,293,430.40
  4. Step 4: Simplify right side
    2,051,590.40x = 3,983,652,844,869.12
  5. Step 5: Solve for x
    x = 3,983,652,844,869.12/2,051,590.40
  6. Step 6: Final answer
    x = 1,941,738.88

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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.