Finding the Fourth Proportional to 2,405,473.47, 3,319,543.62 and 1,317,743.51
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Solution
The fourth proportional to 2,405,473.47, 3,319,543.62 and 1,317,743.51 is: 1,818,480.69
Step by Step Solution
- Step 1: Write the proportion equation
2,405,473.47 : 3,319,543.62 = 1,317,743.51 : x - Step 2: Convert to fraction form
2,405,473.47/3,319,543.62 = 1,317,743.51/x - Step 3: Cross multiply
2,405,473.47x = 3,319,543.62 × 1,317,743.51 - Step 4: Simplify right side
2,405,473.47x = 4,374,307,044,819.19 - Step 5: Solve for x
x = 4,374,307,044,819.19/2,405,473.47 - Step 6: Final answer
x = 1,818,480.69
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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.