Finding the Fourth Proportional to 5,121,506.88, 7,682,095.08 and 1,527,303.60
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Solution
The fourth proportional to 5,121,506.88, 7,682,095.08 and 1,527,303.60 is: 2,290,906.12
Step by Step Solution
- Step 1: Write the proportion equation
5,121,506.88 : 7,682,095.08 = 1,527,303.60 : x - Step 2: Convert to fraction form
5,121,506.88/7,682,095.08 = 1,527,303.60/x - Step 3: Cross multiply
5,121,506.88x = 7,682,095.08 × 1,527,303.60 - Step 4: Simplify right side
5,121,506.88x = 11,732,891,471,226.29 - Step 5: Solve for x
x = 11,732,891,471,226.29/5,121,506.88 - Step 6: Final answer
x = 2,290,906.12
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1.5x scale
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.