Finding the Fourth Proportional to 4,815,485.79, 6,645,368.69 and 2,639,982.27
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Solution
The fourth proportional to 4,815,485.79, 6,645,368.69 and 2,639,982.27 is: 3,643,174.60
Step by Step Solution
- Step 1: Write the proportion equation
4,815,485.79 : 6,645,368.69 = 2,639,982.27 : x - Step 2: Convert to fraction form
4,815,485.79/6,645,368.69 = 2,639,982.27/x - Step 3: Cross multiply
4,815,485.79x = 6,645,368.69 × 2,639,982.27 - Step 4: Simplify right side
4,815,485.79x = 17,543,655,540,833.28 - Step 5: Solve for x
x = 17,543,655,540,833.28/4,815,485.79 - Step 6: Final answer
x = 3,643,174.60
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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.