Finding the Fourth Proportional to 3,242,554.18, 4,474,646.72 and 1,772,396.76
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Solution
The fourth proportional to 3,242,554.18, 4,474,646.72 and 1,772,396.76 is: 2,445,864.87
Step by Step Solution
- Step 1: Write the proportion equation
3,242,554.18 : 4,474,646.72 = 1,772,396.76 : x - Step 2: Convert to fraction form
3,242,554.18/4,474,646.72 = 1,772,396.76/x - Step 3: Cross multiply
3,242,554.18x = 4,474,646.72 × 1,772,396.76 - Step 4: Simplify right side
3,242,554.18x = 7,930,849,348,672.63 - Step 5: Solve for x
x = 7,930,849,348,672.63/3,242,554.18 - Step 6: Final answer
x = 2,445,864.87
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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.