Finding the Fourth Proportional to 1,668,148.68, 2,502,223.26 and 405,976.28
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Solution
The fourth proportional to 1,668,148.68, 2,502,223.26 and 405,976.28 is: 608,964.48
Step by Step Solution
- Step 1: Write the proportion equation
1,668,148.68 : 2,502,223.26 = 405,976.28 : x - Step 2: Convert to fraction form
1,668,148.68/2,502,223.26 = 405,976.28/x - Step 3: Cross multiply
1,668,148.68x = 2,502,223.26 × 405,976.28 - Step 4: Simplify right side
1,668,148.68x = 1,015,843,290,824.27 - Step 5: Solve for x
x = 1,015,843,290,824.27/1,668,148.68 - Step 6: Final answer
x = 608,964.48
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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.