Finding the Fourth Proportional to 4,207,288.30, 6,315,079.65 and 2,079,774.70
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Solution
The fourth proportional to 4,207,288.30, 6,315,079.65 and 2,079,774.70 is: 3,121,712.12
Step by Step Solution
- Step 1: Write the proportion equation
4,207,288.30 : 6,315,079.65 = 2,079,774.70 : x - Step 2: Convert to fraction form
4,207,288.30/6,315,079.65 = 2,079,774.70/x - Step 3: Cross multiply
4,207,288.30x = 6,315,079.65 × 2,079,774.70 - Step 4: Simplify right side
4,207,288.30x = 13,133,942,884,554.86 - Step 5: Solve for x
x = 13,133,942,884,554.86/4,207,288.30 - Step 6: Final answer
x = 3,121,712.12
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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.