Finding the Fourth Proportional to 3,158,343.84, 4,739,321.52 and 1,336,565.28
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Solution
The fourth proportional to 3,158,343.84, 4,739,321.52 and 1,336,565.28 is: 2,005,612.09
Step by Step Solution
- Step 1: Write the proportion equation
3,158,343.84 : 4,739,321.52 = 1,336,565.28 : x - Step 2: Convert to fraction form
3,158,343.84/4,739,321.52 = 1,336,565.28/x - Step 3: Cross multiply
3,158,343.84x = 4,739,321.52 × 1,336,565.28 - Step 4: Simplify right side
3,158,343.84x = 6,334,412,594,388.83 - Step 5: Solve for x
x = 6,334,412,594,388.83/3,158,343.84 - Step 6: Final answer
x = 2,005,612.09
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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.