Home / 2,956,612.80-4,431,857.40-1,605,921.60

Finding the Fourth Proportional to 2,956,612.80, 4,431,857.40 and 1,605,921.60

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Solution

The fourth proportional to 2,956,612.80, 4,431,857.40 and 1,605,921.60 is: 2,407,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,612.80 : 4,431,857.40 = 1,605,921.60 : x
  2. Step 2: Convert to fraction form
    2,956,612.80/4,431,857.40 = 1,605,921.60/x
  3. Step 3: Cross multiply
    2,956,612.80x = 4,431,857.40 × 1,605,921.60
  4. Step 4: Simplify right side
    2,956,612.80x = 7,117,215,526,779.84
  5. Step 5: Solve for x
    x = 7,117,215,526,779.84/2,956,612.80
  6. Step 6: Final answer
    x = 2,407,219.34

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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.