Finding the Fourth Proportional to 3,167,814.90, 4,371,615.81 and 1,717,506.42
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Solution
The fourth proportional to 3,167,814.90, 4,371,615.81 and 1,717,506.42 is: 2,370,175.80
Step by Step Solution
- Step 1: Write the proportion equation
3,167,814.90 : 4,371,615.81 = 1,717,506.42 : x - Step 2: Convert to fraction form
3,167,814.90/4,371,615.81 = 1,717,506.42/x - Step 3: Cross multiply
3,167,814.90x = 4,371,615.81 × 1,717,506.42 - Step 4: Simplify right side
3,167,814.90x = 7,508,278,219,448.50 - Step 5: Solve for x
x = 7,508,278,219,448.50/3,167,814.90 - Step 6: Final answer
x = 2,370,175.80
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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.