Finding the Fourth Proportional to 5,032,453.70, 7,539,823.20 and 4,323,865.70
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Solution
The fourth proportional to 5,032,453.70, 7,539,823.20 and 4,323,865.70 is: 6,478,188.35
Step by Step Solution
- Step 1: Write the proportion equation
5,032,453.70 : 7,539,823.20 = 4,323,865.70 : x - Step 2: Convert to fraction form
5,032,453.70/7,539,823.20 = 4,323,865.70/x - Step 3: Cross multiply
5,032,453.70x = 7,539,823.20 × 4,323,865.70 - Step 4: Simplify right side
5,032,453.70x = 32,601,182,918,544.24 - Step 5: Solve for x
x = 32,601,182,918,544.24/5,032,453.70 - Step 6: Final answer
x = 6,478,188.35
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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.