Finding the Fourth Proportional to 1,878,409.02, 2,816,388.09 and 1,236,770.70
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Solution
The fourth proportional to 1,878,409.02, 2,816,388.09 and 1,236,770.70 is: 1,854,349.20
Step by Step Solution
- Step 1: Write the proportion equation
1,878,409.02 : 2,816,388.09 = 1,236,770.70 : x - Step 2: Convert to fraction form
1,878,409.02/2,816,388.09 = 1,236,770.70/x - Step 3: Cross multiply
1,878,409.02x = 2,816,388.09 × 1,236,770.70 - Step 4: Simplify right side
1,878,409.02x = 3,483,226,269,540.96 - Step 5: Solve for x
x = 3,483,226,269,540.96/1,878,409.02 - Step 6: Final answer
x = 1,854,349.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.