Finding the Fourth Proportional to 7,394,993.60, 11,092,490.40 and 2,603,422.40
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Solution
The fourth proportional to 7,394,993.60, 11,092,490.40 and 2,603,422.40 is: 3,905,133.60
Step by Step Solution
- Step 1: Write the proportion equation
7,394,993.60 : 11,092,490.40 = 2,603,422.40 : x - Step 2: Convert to fraction form
7,394,993.60/11,092,490.40 = 2,603,422.40/x - Step 3: Cross multiply
7,394,993.60x = 11,092,490.40 × 2,603,422.40 - Step 4: Simplify right side
7,394,993.60x = 28,878,437,979,144.96 - Step 5: Solve for x
x = 28,878,437,979,144.96/7,394,993.60 - Step 6: Final answer
x = 3,905,133.60
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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.