Home / 2,020,852.56-2,784,039.35-1,407,896.61

Finding the Fourth Proportional to 2,020,852.56, 2,784,039.35 and 1,407,896.61

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Solution

The fourth proportional to 2,020,852.56, 2,784,039.35 and 1,407,896.61 is: 1,939,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,852.56 : 2,784,039.35 = 1,407,896.61 : x
  2. Step 2: Convert to fraction form
    2,020,852.56/2,784,039.35 = 1,407,896.61/x
  3. Step 3: Cross multiply
    2,020,852.56x = 2,784,039.35 × 1,407,896.61
  4. Step 4: Simplify right side
    2,020,852.56x = 3,919,639,555,932.12
  5. Step 5: Solve for x
    x = 3,919,639,555,932.12/2,020,852.56
  6. Step 6: Final answer
    x = 1,939,597.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.