Finding the Fourth Proportional to 7,180,620.48, 10,763,369.64 and 2,387,023.20
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Solution
The fourth proportional to 7,180,620.48, 10,763,369.64 and 2,387,023.20 is: 3,578,021.30
Step by Step Solution
- Step 1: Write the proportion equation
7,180,620.48 : 10,763,369.64 = 2,387,023.20 : x - Step 2: Convert to fraction form
7,180,620.48/10,763,369.64 = 2,387,023.20/x - Step 3: Cross multiply
7,180,620.48x = 10,763,369.64 × 2,387,023.20 - Step 4: Simplify right side
7,180,620.48x = 25,692,413,040,855.65 - Step 5: Solve for x
x = 25,692,413,040,855.65/7,180,620.48 - Step 6: Final answer
x = 3,578,021.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.