Finding the Fourth Proportional to 5,328,637.46, 7,991,750.70 and 2,447,234.18
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Solution
The fourth proportional to 5,328,637.46, 7,991,750.70 and 2,447,234.18 is: 3,670,297.63
Step by Step Solution
- Step 1: Write the proportion equation
5,328,637.46 : 7,991,750.70 = 2,447,234.18 : x - Step 2: Convert to fraction form
5,328,637.46/7,991,750.70 = 2,447,234.18/x - Step 3: Cross multiply
5,328,637.46x = 7,991,750.70 × 2,447,234.18 - Step 4: Simplify right side
5,328,637.46x = 19,557,685,461,089.24 - Step 5: Solve for x
x = 19,557,685,461,089.24/5,328,637.46 - Step 6: Final answer
x = 3,670,297.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.