Home / 5,348,380.48-7,380,710.78-2,900,938.96

Finding the Fourth Proportional to 5,348,380.48, 7,380,710.78 and 2,900,938.96

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Solution

The fourth proportional to 5,348,380.48, 7,380,710.78 and 2,900,938.96 is: 4,003,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348,380.48 : 7,380,710.78 = 2,900,938.96 : x
  2. Step 2: Convert to fraction form
    5,348,380.48/7,380,710.78 = 2,900,938.96/x
  3. Step 3: Cross multiply
    5,348,380.48x = 7,380,710.78 × 2,900,938.96
  4. Step 4: Simplify right side
    5,348,380.48x = 21,410,991,454,193.99
  5. Step 5: Solve for x
    x = 21,410,991,454,193.99/5,348,380.48
  6. Step 6: Final answer
    x = 4,003,266.32

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1.5x scale

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.