Finding the Fourth Proportional to 5,207,740.43, 7,808,763.08 and 4,135,143.02
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Solution
The fourth proportional to 5,207,740.43, 7,808,763.08 and 4,135,143.02 is: 6,200,453.46
Step by Step Solution
- Step 1: Write the proportion equation
5,207,740.43 : 7,808,763.08 = 4,135,143.02 : x - Step 2: Convert to fraction form
5,207,740.43/7,808,763.08 = 4,135,143.02/x - Step 3: Cross multiply
5,207,740.43x = 7,808,763.08 × 4,135,143.02 - Step 4: Simplify right side
5,207,740.43x = 32,290,352,116,389.74 - Step 5: Solve for x
x = 32,290,352,116,389.74/5,207,740.43 - Step 6: Final answer
x = 6,200,453.46
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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.