Home / 4,157,985.80-6,236,978.70-1,918,497.80

Finding the Fourth Proportional to 4,157,985.80, 6,236,978.70 and 1,918,497.80

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Solution

The fourth proportional to 4,157,985.80, 6,236,978.70 and 1,918,497.80 is: 2,877,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157,985.80 : 6,236,978.70 = 1,918,497.80 : x
  2. Step 2: Convert to fraction form
    4,157,985.80/6,236,978.70 = 1,918,497.80/x
  3. Step 3: Cross multiply
    4,157,985.80x = 6,236,978.70 × 1,918,497.80
  4. Step 4: Simplify right side
    4,157,985.80x = 11,965,629,914,596.86
  5. Step 5: Solve for x
    x = 11,965,629,914,596.86/4,157,985.80
  6. Step 6: Final answer
    x = 2,877,746.70

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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.