Finding the Fourth Proportional to 1,725,852.39, 2,381,573.84 and 990,636.81
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Solution
The fourth proportional to 1,725,852.39, 2,381,573.84 and 990,636.81 is: 1,367,019.98
Step by Step Solution
- Step 1: Write the proportion equation
1,725,852.39 : 2,381,573.84 = 990,636.81 : x - Step 2: Convert to fraction form
1,725,852.39/2,381,573.84 = 990,636.81/x - Step 3: Cross multiply
1,725,852.39x = 2,381,573.84 × 990,636.81 - Step 4: Simplify right side
1,725,852.39x = 2,359,274,706,683.87 - Step 5: Solve for x
x = 2,359,274,706,683.87/1,725,852.39 - Step 6: Final answer
x = 1,367,019.98
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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.