Finding the Fourth Proportional to 7,182,262.80, 10,773,394.20 and 4,489,628.40
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Solution
The fourth proportional to 7,182,262.80, 10,773,394.20 and 4,489,628.40 is: 6,734,442.60
Step by Step Solution
- Step 1: Write the proportion equation
7,182,262.80 : 10,773,394.20 = 4,489,628.40 : x - Step 2: Convert to fraction form
7,182,262.80/10,773,394.20 = 4,489,628.40/x - Step 3: Cross multiply
7,182,262.80x = 10,773,394.20 × 4,489,628.40 - Step 4: Simplify right side
7,182,262.80x = 48,368,536,564,715.28 - Step 5: Solve for x
x = 48,368,536,564,715.28/7,182,262.80 - Step 6: Final answer
x = 6,734,442.60
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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.