Finding the Fourth Proportional to 3,388,474.08, 4,676,515.56 and 1,937,968.20
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Solution
The fourth proportional to 3,388,474.08, 4,676,515.56 and 1,937,968.20 is: 2,674,637.09
Step by Step Solution
- Step 1: Write the proportion equation
3,388,474.08 : 4,676,515.56 = 1,937,968.20 : x - Step 2: Convert to fraction form
3,388,474.08/4,676,515.56 = 1,937,968.20/x - Step 3: Cross multiply
3,388,474.08x = 4,676,515.56 × 1,937,968.20 - Step 4: Simplify right side
3,388,474.08x = 9,062,938,442,085.19 - Step 5: Solve for x
x = 9,062,938,442,085.19/3,388,474.08 - Step 6: Final answer
x = 2,674,637.09
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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.