Finding the Fourth Proportional to 1,281,948.24, 1,922,361.36 and 608,221.62
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Solution
The fourth proportional to 1,281,948.24, 1,922,361.36 and 608,221.62 is: 912,066.26
Step by Step Solution
- Step 1: Write the proportion equation
1,281,948.24 : 1,922,361.36 = 608,221.62 : x - Step 2: Convert to fraction form
1,281,948.24/1,922,361.36 = 608,221.62/x - Step 3: Cross multiply
1,281,948.24x = 1,922,361.36 × 608,221.62 - Step 4: Simplify right side
1,281,948.24x = 1,169,221,740,604.60 - Step 5: Solve for x
x = 1,169,221,740,604.60/1,281,948.24 - Step 6: Final answer
x = 912,066.26
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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.