Finding the Fourth Proportional to 1,548,059.72, 2,136,376.44 and 859,743.08
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Solution
The fourth proportional to 1,548,059.72, 2,136,376.44 and 859,743.08 is: 1,186,475.45
Step by Step Solution
- Step 1: Write the proportion equation
1,548,059.72 : 2,136,376.44 = 859,743.08 : x - Step 2: Convert to fraction form
1,548,059.72/2,136,376.44 = 859,743.08/x - Step 3: Cross multiply
1,548,059.72x = 2,136,376.44 × 859,743.08 - Step 4: Simplify right side
1,548,059.72x = 1,836,734,860,565.04 - Step 5: Solve for x
x = 1,836,734,860,565.04/1,548,059.72 - Step 6: Final answer
x = 1,186,475.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.