Home / 2,640,847.32-3,961,539.48-911,492.10

Finding the Fourth Proportional to 2,640,847.32, 3,961,539.48 and 911,492.10

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Solution

The fourth proportional to 2,640,847.32, 3,961,539.48 and 911,492.10 is: 1,367,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,847.32 : 3,961,539.48 = 911,492.10 : x
  2. Step 2: Convert to fraction form
    2,640,847.32/3,961,539.48 = 911,492.10/x
  3. Step 3: Cross multiply
    2,640,847.32x = 3,961,539.48 × 911,492.10
  4. Step 4: Simplify right side
    2,640,847.32x = 3,610,911,939,858.11
  5. Step 5: Solve for x
    x = 3,610,911,939,858.11/2,640,847.32
  6. Step 6: Final answer
    x = 1,367,330.82

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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.