Home / 1,961,531.64-2,706,915.96-1,102,091.40

Finding the Fourth Proportional to 1,961,531.64, 2,706,915.96 and 1,102,091.40

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Solution

The fourth proportional to 1,961,531.64, 2,706,915.96 and 1,102,091.40 is: 1,520,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,531.64 : 2,706,915.96 = 1,102,091.40 : x
  2. Step 2: Convert to fraction form
    1,961,531.64/2,706,915.96 = 1,102,091.40/x
  3. Step 3: Cross multiply
    1,961,531.64x = 2,706,915.96 × 1,102,091.40
  4. Step 4: Simplify right side
    1,961,531.64x = 2,983,268,800,038.74
  5. Step 5: Solve for x
    x = 2,983,268,800,038.74/1,961,531.64
  6. Step 6: Final answer
    x = 1,520,887.42

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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.