Home / 2,672,692.20-4,009,038.12-779,433.48

Finding the Fourth Proportional to 2,672,692.20, 4,009,038.12 and 779,433.48

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Solution

The fourth proportional to 2,672,692.20, 4,009,038.12 and 779,433.48 is: 1,169,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,692.20 : 4,009,038.12 = 779,433.48 : x
  2. Step 2: Convert to fraction form
    2,672,692.20/4,009,038.12 = 779,433.48/x
  3. Step 3: Cross multiply
    2,672,692.20x = 4,009,038.12 × 779,433.48
  4. Step 4: Simplify right side
    2,672,692.20x = 3,124,778,533,324.26
  5. Step 5: Solve for x
    x = 3,124,778,533,324.26/2,672,692.20
  6. Step 6: Final answer
    x = 1,169,150.17

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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.