Finding the Fourth Proportional to 4,354,141.91, 6,531,233.73 and 1,321,534.11
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Solution
The fourth proportional to 4,354,141.91, 6,531,233.73 and 1,321,534.11 is: 1,982,307.50
Step by Step Solution
- Step 1: Write the proportion equation
4,354,141.91 : 6,531,233.73 = 1,321,534.11 : x - Step 2: Convert to fraction form
4,354,141.91/6,531,233.73 = 1,321,534.11/x - Step 3: Cross multiply
4,354,141.91x = 6,531,233.73 × 1,321,534.11 - Step 4: Simplify right side
4,354,141.91x = 8,631,248,154,577.53 - Step 5: Solve for x
x = 8,631,248,154,577.53/4,354,141.91 - Step 6: Final answer
x = 1,982,307.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.