Home / 3,579,448.59-4,939,639.79-1,969,816.59

Finding the Fourth Proportional to 3,579,448.59, 4,939,639.79 and 1,969,816.59

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Solution

The fourth proportional to 3,579,448.59, 4,939,639.79 and 1,969,816.59 is: 2,718,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,448.59 : 4,939,639.79 = 1,969,816.59 : x
  2. Step 2: Convert to fraction form
    3,579,448.59/4,939,639.79 = 1,969,816.59/x
  3. Step 3: Cross multiply
    3,579,448.59x = 4,939,639.79 × 1,969,816.59
  4. Step 4: Simplify right side
    3,579,448.59x = 9,730,184,397,117.03
  5. Step 5: Solve for x
    x = 9,730,184,397,117.03/3,579,448.59
  6. Step 6: Final answer
    x = 2,718,347.30

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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.