Finding the Fourth Proportional to 3,160,796.08, 4,739,274.12 and 1,239,405.28
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Solution
The fourth proportional to 3,160,796.08, 4,739,274.12 and 1,239,405.28 is: 1,858,355.05
Step by Step Solution
- Step 1: Write the proportion equation
3,160,796.08 : 4,739,274.12 = 1,239,405.28 : x - Step 2: Convert to fraction form
3,160,796.08/4,739,274.12 = 1,239,405.28/x - Step 3: Cross multiply
3,160,796.08x = 4,739,274.12 × 1,239,405.28 - Step 4: Simplify right side
3,160,796.08x = 5,873,881,367,695.35 - Step 5: Solve for x
x = 5,873,881,367,695.35/3,160,796.08 - Step 6: Final answer
x = 1,858,355.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.