Home / 1,968,704.59-2,956,260.73-1,215,335.06

Finding the Fourth Proportional to 1,968,704.59, 2,956,260.73 and 1,215,335.06

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Solution

The fourth proportional to 1,968,704.59, 2,956,260.73 and 1,215,335.06 is: 1,824,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,704.59 : 2,956,260.73 = 1,215,335.06 : x
  2. Step 2: Convert to fraction form
    1,968,704.59/2,956,260.73 = 1,215,335.06/x
  3. Step 3: Cross multiply
    1,968,704.59x = 2,956,260.73 × 1,215,335.06
  4. Step 4: Simplify right side
    1,968,704.59x = 3,592,847,311,670.19
  5. Step 5: Solve for x
    x = 3,592,847,311,670.19/1,968,704.59
  6. Step 6: Final answer
    x = 1,824,980.41

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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.