Finding the Fourth Proportional to 1,515,619.20, 2,091,553.20 and 836,554.08
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Solution
The fourth proportional to 1,515,619.20, 2,091,553.20 and 836,554.08 is: 1,154,443.92
Step by Step Solution
- Step 1: Write the proportion equation
1,515,619.20 : 2,091,553.20 = 836,554.08 : x - Step 2: Convert to fraction form
1,515,619.20/2,091,553.20 = 836,554.08/x - Step 3: Cross multiply
1,515,619.20x = 2,091,553.20 × 836,554.08 - Step 4: Simplify right side
1,515,619.20x = 1,749,697,362,997.06 - Step 5: Solve for x
x = 1,749,697,362,997.06/1,515,619.20 - Step 6: Final answer
x = 1,154,443.92
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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.