Home / 2,154,961.34-3,232,915.08-638,761.22

Finding the Fourth Proportional to 2,154,961.34, 3,232,915.08 and 638,761.22

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Solution

The fourth proportional to 2,154,961.34, 3,232,915.08 and 638,761.22 is: 958,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,961.34 : 3,232,915.08 = 638,761.22 : x
  2. Step 2: Convert to fraction form
    2,154,961.34/3,232,915.08 = 638,761.22/x
  3. Step 3: Cross multiply
    2,154,961.34x = 3,232,915.08 × 638,761.22
  4. Step 4: Simplify right side
    2,154,961.34x = 2,065,060,780,657.20
  5. Step 5: Solve for x
    x = 2,065,060,780,657.20/2,154,961.34
  6. Step 6: Final answer
    x = 958,282.05

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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.