Finding the Fourth Proportional to 1,353,467.36, 2,030,202.56 and 406,838.08
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Solution
The fourth proportional to 1,353,467.36, 2,030,202.56 and 406,838.08 is: 610,257.58
Step by Step Solution
- Step 1: Write the proportion equation
1,353,467.36 : 2,030,202.56 = 406,838.08 : x - Step 2: Convert to fraction form
1,353,467.36/2,030,202.56 = 406,838.08/x - Step 3: Cross multiply
1,353,467.36x = 2,030,202.56 × 406,838.08 - Step 4: Simplify right side
1,353,467.36x = 825,963,711,521.49 - Step 5: Solve for x
x = 825,963,711,521.49/1,353,467.36 - Step 6: Final answer
x = 610,257.58
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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.