Finding the Fourth Proportional to 5,157,281.46, 7,735,922.19 and 1,791,491.70
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Solution
The fourth proportional to 5,157,281.46, 7,735,922.19 and 1,791,491.70 is: 2,687,237.55
Step by Step Solution
- Step 1: Write the proportion equation
5,157,281.46 : 7,735,922.19 = 1,791,491.70 : x - Step 2: Convert to fraction form
5,157,281.46/7,735,922.19 = 1,791,491.70/x - Step 3: Cross multiply
5,157,281.46x = 7,735,922.19 × 1,791,491.70 - Step 4: Simplify right side
5,157,281.46x = 13,858,840,395,230.82 - Step 5: Solve for x
x = 13,858,840,395,230.82/5,157,281.46 - Step 6: Final answer
x = 2,687,237.55
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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.