Finding the Fourth Proportional to 4,293,327.90, 6,439,946.49 and 1,098,428.70
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Solution
The fourth proportional to 4,293,327.90, 6,439,946.49 and 1,098,428.70 is: 1,647,631.44
Step by Step Solution
- Step 1: Write the proportion equation
4,293,327.90 : 6,439,946.49 = 1,098,428.70 : x - Step 2: Convert to fraction form
4,293,327.90/6,439,946.49 = 1,098,428.70/x - Step 3: Cross multiply
4,293,327.90x = 6,439,946.49 × 1,098,428.70 - Step 4: Simplify right side
4,293,327.90x = 7,073,822,051,080.26 - Step 5: Solve for x
x = 7,073,822,051,080.26/4,293,327.90 - Step 6: Final answer
x = 1,647,631.44
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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.