Finding the Fourth Proportional to 5,389,477.96, 7,437,492.94 and 2,942,090.68
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Solution
The fourth proportional to 5,389,477.96, 7,437,492.94 and 2,942,090.68 is: 4,060,092.43
Step by Step Solution
- Step 1: Write the proportion equation
5,389,477.96 : 7,437,492.94 = 2,942,090.68 : x - Step 2: Convert to fraction form
5,389,477.96/7,437,492.94 = 2,942,090.68/x - Step 3: Cross multiply
5,389,477.96x = 7,437,492.94 × 2,942,090.68 - Step 4: Simplify right side
5,389,477.96x = 21,881,778,661,339.80 - Step 5: Solve for x
x = 21,881,778,661,339.80/5,389,477.96 - Step 6: Final answer
x = 4,060,092.43
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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.