Finding the Fourth Proportional to 4,674,252.80, 7,007,442.60 and 2,430,390.80
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Solution
The fourth proportional to 4,674,252.80, 7,007,442.60 and 2,430,390.80 is: 3,643,539.35
Step by Step Solution
- Step 1: Write the proportion equation
4,674,252.80 : 7,007,442.60 = 2,430,390.80 : x - Step 2: Convert to fraction form
4,674,252.80/7,007,442.60 = 2,430,390.80/x - Step 3: Cross multiply
4,674,252.80x = 7,007,442.60 × 2,430,390.80 - Step 4: Simplify right side
4,674,252.80x = 17,030,824,026,568.08 - Step 5: Solve for x
x = 17,030,824,026,568.08/4,674,252.80 - Step 6: Final answer
x = 3,643,539.35
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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.