Finding the Fourth Proportional to 1,420,110.30, 1,958,454.12 and 1,110,053.84
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Solution
The fourth proportional to 1,420,110.30, 1,958,454.12 and 1,110,053.84 is: 1,530,859.62
Step by Step Solution
- Step 1: Write the proportion equation
1,420,110.30 : 1,958,454.12 = 1,110,053.84 : x - Step 2: Convert to fraction form
1,420,110.30/1,958,454.12 = 1,110,053.84/x - Step 3: Cross multiply
1,420,110.30x = 1,958,454.12 × 1,110,053.84 - Step 4: Simplify right side
1,420,110.30x = 2,173,989,516,369.82 - Step 5: Solve for x
x = 2,173,989,516,369.82/1,420,110.30 - Step 6: Final answer
x = 1,530,859.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.