Finding the Fourth Proportional to 5,005,990.84, 7,504,532.99 and 1,810,406.59
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Solution
The fourth proportional to 5,005,990.84, 7,504,532.99 and 1,810,406.59 is: 2,713,999.37
Step by Step Solution
- Step 1: Write the proportion equation
5,005,990.84 : 7,504,532.99 = 1,810,406.59 : x - Step 2: Convert to fraction form
5,005,990.84/7,504,532.99 = 1,810,406.59/x - Step 3: Cross multiply
5,005,990.84x = 7,504,532.99 × 1,810,406.59 - Step 4: Simplify right side
5,005,990.84x = 13,586,255,979,968.40 - Step 5: Solve for x
x = 13,586,255,979,968.40/5,005,990.84 - Step 6: Final answer
x = 2,713,999.37
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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.