Finding the Fourth Proportional to 7,119,291.06, 10,678,823.47 and 1,727,986.10
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Solution
The fourth proportional to 7,119,291.06, 10,678,823.47 and 1,727,986.10 is: 2,591,951.69
Step by Step Solution
- Step 1: Write the proportion equation
7,119,291.06 : 10,678,823.47 = 1,727,986.10 : x - Step 2: Convert to fraction form
7,119,291.06/10,678,823.47 = 1,727,986.10/x - Step 3: Cross multiply
7,119,291.06x = 10,678,823.47 × 1,727,986.10 - Step 4: Simplify right side
7,119,291.06x = 18,452,858,520,513.77 - Step 5: Solve for x
x = 18,452,858,520,513.77/7,119,291.06 - Step 6: Final answer
x = 2,591,951.69
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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.