Home / 5,638,937.51-7,781,742.63-3,060,619.43

Finding the Fourth Proportional to 5,638,937.51, 7,781,742.63 and 3,060,619.43

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Solution

The fourth proportional to 5,638,937.51, 7,781,742.63 and 3,060,619.43 is: 4,223,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,937.51 : 7,781,742.63 = 3,060,619.43 : x
  2. Step 2: Convert to fraction form
    5,638,937.51/7,781,742.63 = 3,060,619.43/x
  3. Step 3: Cross multiply
    5,638,937.51x = 7,781,742.63 × 3,060,619.43
  4. Step 4: Simplify right side
    5,638,937.51x = 23,816,952,653,728.59
  5. Step 5: Solve for x
    x = 23,816,952,653,728.59/5,638,937.51
  6. Step 6: Final answer
    x = 4,223,659.62

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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.