Finding the Fourth Proportional to 1,577,147.68, 2,176,461.66 and 898,084.18
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Solution
The fourth proportional to 1,577,147.68, 2,176,461.66 and 898,084.18 is: 1,239,354.95
Step by Step Solution
- Step 1: Write the proportion equation
1,577,147.68 : 2,176,461.66 = 898,084.18 : x - Step 2: Convert to fraction form
1,577,147.68/2,176,461.66 = 898,084.18/x - Step 3: Cross multiply
1,577,147.68x = 2,176,461.66 × 898,084.18 - Step 4: Simplify right side
1,577,147.68x = 1,954,645,785,222.54 - Step 5: Solve for x
x = 1,954,645,785,222.54/1,577,147.68 - Step 6: Final answer
x = 1,239,354.95
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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.