Finding the Fourth Proportional to 5,189,809.80, 7,784,696.34 and 1,403,292.36
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Solution
The fourth proportional to 5,189,809.80, 7,784,696.34 and 1,403,292.36 is: 2,104,933.58
Step by Step Solution
- Step 1: Write the proportion equation
5,189,809.80 : 7,784,696.34 = 1,403,292.36 : x - Step 2: Convert to fraction form
5,189,809.80/7,784,696.34 = 1,403,292.36/x - Step 3: Cross multiply
5,189,809.80x = 7,784,696.34 × 1,403,292.36 - Step 4: Simplify right side
5,189,809.80x = 10,924,204,898,841.96 - Step 5: Solve for x
x = 10,924,204,898,841.96/5,189,809.80 - Step 6: Final answer
x = 2,104,933.58
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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.