Finding the Fourth Proportional to 5,272,321.68, 7,276,117.68 and 2,980,695.60
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Solution
The fourth proportional to 5,272,321.68, 7,276,117.68 and 2,980,695.60 is: 4,113,537.31
Step by Step Solution
- Step 1: Write the proportion equation
5,272,321.68 : 7,276,117.68 = 2,980,695.60 : x - Step 2: Convert to fraction form
5,272,321.68/7,276,117.68 = 2,980,695.60/x - Step 3: Cross multiply
5,272,321.68x = 7,276,117.68 × 2,980,695.60 - Step 4: Simplify right side
5,272,321.68x = 21,687,891,953,858.21 - Step 5: Solve for x
x = 21,687,891,953,858.21/5,272,321.68 - Step 6: Final answer
x = 4,113,537.31
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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.