Home / 3,127,770.09-4,692,342.83-1,780,563.51

Finding the Fourth Proportional to 3,127,770.09, 4,692,342.83 and 1,780,563.51

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Solution

The fourth proportional to 3,127,770.09, 4,692,342.83 and 1,780,563.51 is: 2,671,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,770.09 : 4,692,342.83 = 1,780,563.51 : x
  2. Step 2: Convert to fraction form
    3,127,770.09/4,692,342.83 = 1,780,563.51/x
  3. Step 3: Cross multiply
    3,127,770.09x = 4,692,342.83 × 1,780,563.51
  4. Step 4: Simplify right side
    3,127,770.09x = 8,355,014,410,605.32
  5. Step 5: Solve for x
    x = 8,355,014,410,605.32/3,127,770.09
  6. Step 6: Final answer
    x = 2,671,236.75

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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.