Home / 1,892,407.37-2,838,651.36-678,063.32

Finding the Fourth Proportional to 1,892,407.37, 2,838,651.36 and 678,063.32

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Solution

The fourth proportional to 1,892,407.37, 2,838,651.36 and 678,063.32 is: 1,017,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,407.37 : 2,838,651.36 = 678,063.32 : x
  2. Step 2: Convert to fraction form
    1,892,407.37/2,838,651.36 = 678,063.32/x
  3. Step 3: Cross multiply
    1,892,407.37x = 2,838,651.36 × 678,063.32
  4. Step 4: Simplify right side
    1,892,407.37x = 1,924,785,351,290.86
  5. Step 5: Solve for x
    x = 1,924,785,351,290.86/1,892,407.37
  6. Step 6: Final answer
    x = 1,017,109.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.