Home / 2,120,713.70-2,926,615.02-1,153,844.78

Finding the Fourth Proportional to 2,120,713.70, 2,926,615.02 and 1,153,844.78

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Solution

The fourth proportional to 2,120,713.70, 2,926,615.02 and 1,153,844.78 is: 1,592,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,713.70 : 2,926,615.02 = 1,153,844.78 : x
  2. Step 2: Convert to fraction form
    2,120,713.70/2,926,615.02 = 1,153,844.78/x
  3. Step 3: Cross multiply
    2,120,713.70x = 2,926,615.02 × 1,153,844.78
  4. Step 4: Simplify right side
    2,120,713.70x = 3,376,859,463,896.60
  5. Step 5: Solve for x
    x = 3,376,859,463,896.60/2,120,713.70
  6. Step 6: Final answer
    x = 1,592,322.18

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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.