Finding the Fourth Proportional to 7,177,876.59, 10,769,147.69 and 4,791,422.19
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Solution
The fourth proportional to 7,177,876.59, 10,769,147.69 and 4,791,422.19 is: 7,188,690.49
Step by Step Solution
- Step 1: Write the proportion equation
7,177,876.59 : 10,769,147.69 = 4,791,422.19 : x - Step 2: Convert to fraction form
7,177,876.59/10,769,147.69 = 4,791,422.19/x - Step 3: Cross multiply
7,177,876.59x = 10,769,147.69 × 4,791,422.19 - Step 4: Simplify right side
7,177,876.59x = 51,599,533,185,296.14 - Step 5: Solve for x
x = 51,599,533,185,296.14/7,177,876.59 - Step 6: Final answer
x = 7,188,690.49
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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.