Finding the Fourth Proportional to 2,405,473.86, 3,319,555.26 and 1,317,784.80
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Solution
The fourth proportional to 2,405,473.86, 3,319,555.26 and 1,317,784.80 is: 1,818,543.75
Step by Step Solution
- Step 1: Write the proportion equation
2,405,473.86 : 3,319,555.26 = 1,317,784.80 : x - Step 2: Convert to fraction form
2,405,473.86/3,319,555.26 = 1,317,784.80/x - Step 3: Cross multiply
2,405,473.86x = 3,319,555.26 × 1,317,784.80 - Step 4: Simplify right side
2,405,473.86x = 4,374,459,464,388.05 - Step 5: Solve for x
x = 4,374,459,464,388.05/2,405,473.86 - Step 6: Final answer
x = 1,818,543.75
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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.