Finding the Fourth Proportional to 5,194,313.08, 7,168,864.08 and 2,989,130.60
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Solution
The fourth proportional to 5,194,313.08, 7,168,864.08 and 2,989,130.60 is: 4,125,409.98
Step by Step Solution
- Step 1: Write the proportion equation
5,194,313.08 : 7,168,864.08 = 2,989,130.60 : x - Step 2: Convert to fraction form
5,194,313.08/7,168,864.08 = 2,989,130.60/x - Step 3: Cross multiply
5,194,313.08x = 7,168,864.08 × 2,989,130.60 - Step 4: Simplify right side
5,194,313.08x = 21,428,670,973,823.20 - Step 5: Solve for x
x = 21,428,670,973,823.20/5,194,313.08 - Step 6: Final answer
x = 4,125,409.98
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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.