Finding the Fourth Proportional to 3,389,525.74, 4,676,407.53 and 1,919,233.34
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Solution
The fourth proportional to 3,389,525.74, 4,676,407.53 and 1,919,233.34 is: 2,647,897.65
Step by Step Solution
- Step 1: Write the proportion equation
3,389,525.74 : 4,676,407.53 = 1,919,233.34 : x - Step 2: Convert to fraction form
3,389,525.74/4,676,407.53 = 1,919,233.34/x - Step 3: Cross multiply
3,389,525.74x = 4,676,407.53 × 1,919,233.34 - Step 4: Simplify right side
3,389,525.74x = 8,975,117,219,621.01 - Step 5: Solve for x
x = 8,975,117,219,621.01/3,389,525.74 - Step 6: Final answer
x = 2,647,897.65
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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.