Finding the Fourth Proportional to 5,107,534.36, 7,048,216 and 2,784,378.76
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Solution
The fourth proportional to 5,107,534.36, 7,048,216 and 2,784,378.76 is: 3,842,343.79
Step by Step Solution
- Step 1: Write the proportion equation
5,107,534.36 : 7,048,216 = 2,784,378.76 : x - Step 2: Convert to fraction form
5,107,534.36/7,048,216 = 2,784,378.76/x - Step 3: Cross multiply
5,107,534.36x = 7,048,216 × 2,784,378.76 - Step 4: Simplify right side
5,107,534.36x = 19,624,902,926,292.16 - Step 5: Solve for x
x = 19,624,902,926,292.16/5,107,534.36 - Step 6: Final answer
x = 3,842,343.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.