Finding the Fourth Proportional to 5,155,440.53, 7,733,159.64 and 1,317,270.11
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Solution
The fourth proportional to 5,155,440.53, 7,733,159.64 and 1,317,270.11 is: 1,975,904.86
Step by Step Solution
- Step 1: Write the proportion equation
5,155,440.53 : 7,733,159.64 = 1,317,270.11 : x - Step 2: Convert to fraction form
5,155,440.53/7,733,159.64 = 1,317,270.11/x - Step 3: Cross multiply
5,155,440.53x = 7,733,159.64 × 1,317,270.11 - Step 4: Simplify right side
5,155,440.53x = 10,186,660,010,964.56 - Step 5: Solve for x
x = 10,186,660,010,964.56/5,155,440.53 - Step 6: Final answer
x = 1,975,904.86
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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.