Finding the Fourth Proportional to 5,623,464.80, 8,415,536.40 and 5,151,605.60
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Solution
The fourth proportional to 5,623,464.80, 8,415,536.40 and 5,151,605.60 is: 7,709,397.32
Step by Step Solution
- Step 1: Write the proportion equation
5,623,464.80 : 8,415,536.40 = 5,151,605.60 : x - Step 2: Convert to fraction form
5,623,464.80/8,415,536.40 = 5,151,605.60/x - Step 3: Cross multiply
5,623,464.80x = 8,415,536.40 × 5,151,605.60 - Step 4: Simplify right side
5,623,464.80x = 43,353,524,445,243.84 - Step 5: Solve for x
x = 43,353,524,445,243.84/5,623,464.80 - Step 6: Final answer
x = 7,709,397.32
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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.