Home / 2,869,820.32-3,960,202.56-1,782,068.58

Finding the Fourth Proportional to 2,869,820.32, 3,960,202.56 and 1,782,068.58

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Solution

The fourth proportional to 2,869,820.32, 3,960,202.56 and 1,782,068.58 is: 2,459,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,820.32 : 3,960,202.56 = 1,782,068.58 : x
  2. Step 2: Convert to fraction form
    2,869,820.32/3,960,202.56 = 1,782,068.58/x
  3. Step 3: Cross multiply
    2,869,820.32x = 3,960,202.56 × 1,782,068.58
  4. Step 4: Simplify right side
    2,869,820.32x = 7,057,352,552,611.57
  5. Step 5: Solve for x
    x = 7,057,352,552,611.57/2,869,820.32
  6. Step 6: Final answer
    x = 2,459,161.82

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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.