Home / 3,397,682.78-4,688,802.93-1,869,789.92

Finding the Fourth Proportional to 3,397,682.78, 4,688,802.93 and 1,869,789.92

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Solution

The fourth proportional to 3,397,682.78, 4,688,802.93 and 1,869,789.92 is: 2,580,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,682.78 : 4,688,802.93 = 1,869,789.92 : x
  2. Step 2: Convert to fraction form
    3,397,682.78/4,688,802.93 = 1,869,789.92/x
  3. Step 3: Cross multiply
    3,397,682.78x = 4,688,802.93 × 1,869,789.92
  4. Step 4: Simplify right side
    3,397,682.78x = 8,767,076,455,380.47
  5. Step 5: Solve for x
    x = 8,767,076,455,380.47/3,397,682.78
  6. Step 6: Final answer
    x = 2,580,310.47

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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.