Finding the Fourth Proportional to 6,528,749.45, 9,000,178.63 and 4,562,522.96
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Solution
The fourth proportional to 6,528,749.45, 9,000,178.63 and 4,562,522.96 is: 6,289,645.80
Step by Step Solution
- Step 1: Write the proportion equation
6,528,749.45 : 9,000,178.63 = 4,562,522.96 : x - Step 2: Convert to fraction form
6,528,749.45/9,000,178.63 = 4,562,522.96/x - Step 3: Cross multiply
6,528,749.45x = 9,000,178.63 × 4,562,522.96 - Step 4: Simplify right side
6,528,749.45x = 41,063,521,587,069.14 - Step 5: Solve for x
x = 41,063,521,587,069.14/6,528,749.45 - Step 6: Final answer
x = 6,289,645.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.