Finding the Fourth Proportional to 5,230,724.93, 7,218,406.74 and 2,938,884.29
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Solution
The fourth proportional to 5,230,724.93, 7,218,406.74 and 2,938,884.29 is: 4,055,663.88
Step by Step Solution
- Step 1: Write the proportion equation
5,230,724.93 : 7,218,406.74 = 2,938,884.29 : x - Step 2: Convert to fraction form
5,230,724.93/7,218,406.74 = 2,938,884.29/x - Step 3: Cross multiply
5,230,724.93x = 7,218,406.74 × 2,938,884.29 - Step 4: Simplify right side
5,230,724.93x = 21,214,062,130,924.08 - Step 5: Solve for x
x = 21,214,062,130,924.08/5,230,724.93 - Step 6: Final answer
x = 4,055,663.88
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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.