Finding the Fourth Proportional to 5,546,138.30, 8,319,207.45 and 3,154,653.80
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Solution
The fourth proportional to 5,546,138.30, 8,319,207.45 and 3,154,653.80 is: 4,731,980.70
Step by Step Solution
- Step 1: Write the proportion equation
5,546,138.30 : 8,319,207.45 = 3,154,653.80 : x - Step 2: Convert to fraction form
5,546,138.30/8,319,207.45 = 3,154,653.80/x - Step 3: Cross multiply
5,546,138.30x = 8,319,207.45 × 3,154,653.80 - Step 4: Simplify right side
5,546,138.30x = 26,244,219,395,130.81 - Step 5: Solve for x
x = 26,244,219,395,130.81/5,546,138.30 - Step 6: Final answer
x = 4,731,980.70
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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.