Finding the Fourth Proportional to 6,326,367.09, 8,730,428.07 and 3,425,758.10
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Solution
The fourth proportional to 6,326,367.09, 8,730,428.07 and 3,425,758.10 is: 4,727,568.64
Step by Step Solution
- Step 1: Write the proportion equation
6,326,367.09 : 8,730,428.07 = 3,425,758.10 : x - Step 2: Convert to fraction form
6,326,367.09/8,730,428.07 = 3,425,758.10/x - Step 3: Cross multiply
6,326,367.09x = 8,730,428.07 × 3,425,758.10 - Step 4: Simplify right side
6,326,367.09x = 29,908,334,677,269.87 - Step 5: Solve for x
x = 29,908,334,677,269.87/6,326,367.09 - Step 6: Final answer
x = 4,727,568.64
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1.5x scale
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.