Finding the Fourth Proportional to 2,668,862.62, 3,683,013.71 and 1,445,142.26
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Solution
The fourth proportional to 2,668,862.62, 3,683,013.71 and 1,445,142.26 is: 1,994,287.27
Step by Step Solution
- Step 1: Write the proportion equation
2,668,862.62 : 3,683,013.71 = 1,445,142.26 : x - Step 2: Convert to fraction form
2,668,862.62/3,683,013.71 = 1,445,142.26/x - Step 3: Cross multiply
2,668,862.62x = 3,683,013.71 × 1,445,142.26 - Step 4: Simplify right side
2,668,862.62x = 5,322,478,758,462.21 - Step 5: Solve for x
x = 5,322,478,758,462.21/2,668,862.62 - Step 6: Final answer
x = 1,994,287.27
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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.