Finding the Fourth Proportional to 2,326,685.40, 3,490,105.86 and 643,647.96
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Solution
The fourth proportional to 2,326,685.40, 3,490,105.86 and 643,647.96 is: 965,493.45
Step by Step Solution
- Step 1: Write the proportion equation
2,326,685.40 : 3,490,105.86 = 643,647.96 : x - Step 2: Convert to fraction form
2,326,685.40/3,490,105.86 = 643,647.96/x - Step 3: Cross multiply
2,326,685.40x = 3,490,105.86 × 643,647.96 - Step 4: Simplify right side
2,326,685.40x = 2,246,399,516,973.05 - Step 5: Solve for x
x = 2,246,399,516,973.05/2,326,685.40 - Step 6: Final answer
x = 965,493.45
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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.