Finding the Fourth Proportional to 1,417,771.94, 1,955,419.44 and 908,521.70
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Solution
The fourth proportional to 1,417,771.94, 1,955,419.44 and 908,521.70 is: 1,253,051.32
Step by Step Solution
- Step 1: Write the proportion equation
1,417,771.94 : 1,955,419.44 = 908,521.70 : x - Step 2: Convert to fraction form
1,417,771.94/1,955,419.44 = 908,521.70/x - Step 3: Cross multiply
1,417,771.94x = 1,955,419.44 × 908,521.70 - Step 4: Simplify right side
1,417,771.94x = 1,776,540,993,841.85 - Step 5: Solve for x
x = 1,776,540,993,841.85/1,417,771.94 - Step 6: Final answer
x = 1,253,051.32
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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.