Finding the Fourth Proportional to 5,242,185.18, 7,863,281.01 and 1,455,668.46
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Solution
The fourth proportional to 5,242,185.18, 7,863,281.01 and 1,455,668.46 is: 2,183,503.59
Step by Step Solution
- Step 1: Write the proportion equation
5,242,185.18 : 7,863,281.01 = 1,455,668.46 : x - Step 2: Convert to fraction form
5,242,185.18/7,863,281.01 = 1,455,668.46/x - Step 3: Cross multiply
5,242,185.18x = 7,863,281.01 × 1,455,668.46 - Step 4: Simplify right side
5,242,185.18x = 11,446,330,158,373.94 - Step 5: Solve for x
x = 11,446,330,158,373.94/5,242,185.18 - Step 6: Final answer
x = 2,183,503.59
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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.