Home / 1,931,531.42-2,665,515.06-1,157,611.79

Finding the Fourth Proportional to 1,931,531.42, 2,665,515.06 and 1,157,611.79

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Solution

The fourth proportional to 1,931,531.42, 2,665,515.06 and 1,157,611.79 is: 1,597,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,531.42 : 2,665,515.06 = 1,157,611.79 : x
  2. Step 2: Convert to fraction form
    1,931,531.42/2,665,515.06 = 1,157,611.79/x
  3. Step 3: Cross multiply
    1,931,531.42x = 2,665,515.06 × 1,157,611.79
  4. Step 4: Simplify right side
    1,931,531.42x = 3,085,631,666,542.35
  5. Step 5: Solve for x
    x = 3,085,631,666,542.35/1,931,531.42
  6. Step 6: Final answer
    x = 1,597,505.29

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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.