Finding the Fourth Proportional to 1,395,851.84, 1,926,292.96 and 822,857.76
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Solution
The fourth proportional to 1,395,851.84, 1,926,292.96 and 822,857.76 is: 1,135,553.98
Step by Step Solution
- Step 1: Write the proportion equation
1,395,851.84 : 1,926,292.96 = 822,857.76 : x - Step 2: Convert to fraction form
1,395,851.84/1,926,292.96 = 822,857.76/x - Step 3: Cross multiply
1,395,851.84x = 1,926,292.96 × 822,857.76 - Step 4: Simplify right side
1,395,851.84x = 1,585,065,110,169.37 - Step 5: Solve for x
x = 1,585,065,110,169.37/1,395,851.84 - Step 6: Final answer
x = 1,135,553.98
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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.