Finding the Fourth Proportional to 4,279,530.86, 5,905,823.94 and 2,319,471.53
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Solution
The fourth proportional to 4,279,530.86, 5,905,823.94 and 2,319,471.53 is: 3,200,909.38
Step by Step Solution
- Step 1: Write the proportion equation
4,279,530.86 : 5,905,823.94 = 2,319,471.53 : x - Step 2: Convert to fraction form
4,279,530.86/5,905,823.94 = 2,319,471.53/x - Step 3: Cross multiply
4,279,530.86x = 5,905,823.94 × 2,319,471.53 - Step 4: Simplify right side
4,279,530.86x = 13,698,390,490,022.43 - Step 5: Solve for x
x = 13,698,390,490,022.43/4,279,530.86 - Step 6: Final answer
x = 3,200,909.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.