Finding the Fourth Proportional to 5,257,433.20, 7,885,566.60 and 1,471,298.80
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Solution
The fourth proportional to 5,257,433.20, 7,885,566.60 and 1,471,298.80 is: 2,206,784.99
Step by Step Solution
- Step 1: Write the proportion equation
5,257,433.20 : 7,885,566.60 = 1,471,298.80 : x - Step 2: Convert to fraction form
5,257,433.20/7,885,566.60 = 1,471,298.80/x - Step 3: Cross multiply
5,257,433.20x = 7,885,566.60 × 1,471,298.80 - Step 4: Simplify right side
5,257,433.20x = 11,602,024,675,900.08 - Step 5: Solve for x
x = 11,602,024,675,900.08/5,257,433.20 - Step 6: Final answer
x = 2,206,784.99
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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.