Finding the Fourth Proportional to 6,241,936.60, 9,348,908.10 and 5,122,192.60
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Solution
The fourth proportional to 6,241,936.60, 9,348,908.10 and 5,122,192.60 is: 7,671,802.99
Step by Step Solution
- Step 1: Write the proportion equation
6,241,936.60 : 9,348,908.10 = 5,122,192.60 : x - Step 2: Convert to fraction form
6,241,936.60/9,348,908.10 = 5,122,192.60/x - Step 3: Cross multiply
6,241,936.60x = 9,348,908.10 × 5,122,192.60 - Step 4: Simplify right side
6,241,936.60x = 47,886,907,887,900.05 - Step 5: Solve for x
x = 47,886,907,887,900.05/6,241,936.60 - Step 6: Final answer
x = 7,671,802.99
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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.