Finding the Fourth Proportional to 5,159,509.84, 7,739,439.45 and 1,372,996.36
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Solution
The fourth proportional to 5,159,509.84, 7,739,439.45 and 1,372,996.36 is: 2,059,541.03
Step by Step Solution
- Step 1: Write the proportion equation
5,159,509.84 : 7,739,439.45 = 1,372,996.36 : x - Step 2: Convert to fraction form
5,159,509.84/7,739,439.45 = 1,372,996.36/x - Step 3: Cross multiply
5,159,509.84x = 7,739,439.45 × 1,372,996.36 - Step 4: Simplify right side
5,159,509.84x = 10,626,222,193,290.40 - Step 5: Solve for x
x = 10,626,222,193,290.40/5,159,509.84 - Step 6: Final answer
x = 2,059,541.03
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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.