Home / 2,928,447.05-4,041,035.48-1,621,692.68

Finding the Fourth Proportional to 2,928,447.05, 4,041,035.48 and 1,621,692.68

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Solution

The fourth proportional to 2,928,447.05, 4,041,035.48 and 1,621,692.68 is: 2,237,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,447.05 : 4,041,035.48 = 1,621,692.68 : x
  2. Step 2: Convert to fraction form
    2,928,447.05/4,041,035.48 = 1,621,692.68/x
  3. Step 3: Cross multiply
    2,928,447.05x = 4,041,035.48 × 1,621,692.68
  4. Step 4: Simplify right side
    2,928,447.05x = 6,553,317,641,385.34
  5. Step 5: Solve for x
    x = 6,553,317,641,385.34/2,928,447.05
  6. Step 6: Final answer
    x = 2,237,813.26

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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.