Finding the Fourth Proportional to 6,604,573.61, 9,909,991.26 and 3,190,946.87
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Solution
The fourth proportional to 6,604,573.61, 9,909,991.26 and 3,190,946.87 is: 4,787,932.94
Step by Step Solution
- Step 1: Write the proportion equation
6,604,573.61 : 9,909,991.26 = 3,190,946.87 : x - Step 2: Convert to fraction form
6,604,573.61/9,909,991.26 = 3,190,946.87/x - Step 3: Cross multiply
6,604,573.61x = 9,909,991.26 × 3,190,946.87 - Step 4: Simplify right side
6,604,573.61x = 31,622,255,543,274.40 - Step 5: Solve for x
x = 31,622,255,543,274.40/6,604,573.61 - Step 6: Final answer
x = 4,787,932.94
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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.