Finding the Fourth Proportional to 2,590,836, 3,889,621.62 and 1,992,217.53
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Solution
The fourth proportional to 2,590,836, 3,889,621.62 and 1,992,217.53 is: 2,990,915.82
Step by Step Solution
- Step 1: Write the proportion equation
2,590,836 : 3,889,621.62 = 1,992,217.53 : x - Step 2: Convert to fraction form
2,590,836/3,889,621.62 = 1,992,217.53/x - Step 3: Cross multiply
2,590,836x = 3,889,621.62 × 1,992,217.53 - Step 4: Simplify right side
2,590,836x = 7,748,972,376,431.00 - Step 5: Solve for x
x = 7,748,972,376,431.00/2,590,836 - Step 6: Final answer
x = 2,990,915.82
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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.