Home / 2,649,572.40-3,970,276.20-1,972,477.20

Finding the Fourth Proportional to 2,649,572.40, 3,970,276.20 and 1,972,477.20

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Solution

The fourth proportional to 2,649,572.40, 3,970,276.20 and 1,972,477.20 is: 2,955,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,572.40 : 3,970,276.20 = 1,972,477.20 : x
  2. Step 2: Convert to fraction form
    2,649,572.40/3,970,276.20 = 1,972,477.20/x
  3. Step 3: Cross multiply
    2,649,572.40x = 3,970,276.20 × 1,972,477.20
  4. Step 4: Simplify right side
    2,649,572.40x = 7,831,279,282,202.64
  5. Step 5: Solve for x
    x = 7,831,279,282,202.64/2,649,572.40
  6. Step 6: Final answer
    x = 2,955,676.65

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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.