Finding the Fourth Proportional to 4,403,478.60, 6,598,997.10 and 3,257,296.20
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Solution
The fourth proportional to 4,403,478.60, 6,598,997.10 and 3,257,296.20 is: 4,881,342.71
Step by Step Solution
- Step 1: Write the proportion equation
4,403,478.60 : 6,598,997.10 = 3,257,296.20 : x - Step 2: Convert to fraction form
4,403,478.60/6,598,997.10 = 3,257,296.20/x - Step 3: Cross multiply
4,403,478.60x = 6,598,997.10 × 3,257,296.20 - Step 4: Simplify right side
4,403,478.60x = 21,494,888,177,641.02 - Step 5: Solve for x
x = 21,494,888,177,641.02/4,403,478.60 - Step 6: Final answer
x = 4,881,342.71
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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.