Finding the Fourth Proportional to 2,935,628.40, 4,403,442.60 and 2,487,730.80
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Solution
The fourth proportional to 2,935,628.40, 4,403,442.60 and 2,487,730.80 is: 3,731,596.20
Step by Step Solution
- Step 1: Write the proportion equation
2,935,628.40 : 4,403,442.60 = 2,487,730.80 : x - Step 2: Convert to fraction form
2,935,628.40/4,403,442.60 = 2,487,730.80/x - Step 3: Cross multiply
2,935,628.40x = 4,403,442.60 × 2,487,730.80 - Step 4: Simplify right side
2,935,628.40x = 10,954,579,782,052.08 - Step 5: Solve for x
x = 10,954,579,782,052.08/2,935,628.40 - Step 6: Final answer
x = 3,731,596.20
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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.