Finding the Fourth Proportional to 5,230,534.46, 7,845,790.16 and 1,392,357.74
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Solution
The fourth proportional to 5,230,534.46, 7,845,790.16 and 1,392,357.74 is: 2,088,533.54
Step by Step Solution
- Step 1: Write the proportion equation
5,230,534.46 : 7,845,790.16 = 1,392,357.74 : x - Step 2: Convert to fraction form
5,230,534.46/7,845,790.16 = 1,392,357.74/x - Step 3: Cross multiply
5,230,534.46x = 7,845,790.16 × 1,392,357.74 - Step 4: Simplify right side
5,230,534.46x = 10,924,146,655,691.84 - Step 5: Solve for x
x = 10,924,146,655,691.84/5,230,534.46 - Step 6: Final answer
x = 2,088,533.54
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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.