Finding the Fourth Proportional to 4,953,990, 7,424,768.04 and 2,679,423.60
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Solution
The fourth proportional to 4,953,990, 7,424,768.04 and 2,679,423.60 is: 4,015,772.88
Step by Step Solution
- Step 1: Write the proportion equation
4,953,990 : 7,424,768.04 = 2,679,423.60 : x - Step 2: Convert to fraction form
4,953,990/7,424,768.04 = 2,679,423.60/x - Step 3: Cross multiply
4,953,990x = 7,424,768.04 × 2,679,423.60 - Step 4: Simplify right side
4,953,990x = 19,894,098,710,901.75 - Step 5: Solve for x
x = 19,894,098,710,901.75/4,953,990 - Step 6: Final answer
x = 4,015,772.88
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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.