Finding the Fourth Proportional to 1,439,397.63, 2,159,099.18 and 374,437.98
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Solution
The fourth proportional to 1,439,397.63, 2,159,099.18 and 374,437.98 is: 561,657.68
Step by Step Solution
- Step 1: Write the proportion equation
1,439,397.63 : 2,159,099.18 = 374,437.98 : x - Step 2: Convert to fraction form
1,439,397.63/2,159,099.18 = 374,437.98/x - Step 3: Cross multiply
1,439,397.63x = 2,159,099.18 × 374,437.98 - Step 4: Simplify right side
1,439,397.63x = 808,448,735,578.86 - Step 5: Solve for x
x = 808,448,735,578.86/1,439,397.63 - Step 6: Final answer
x = 561,657.68
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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.