Finding the Fourth Proportional to 2,942,330.79, 4,060,756.68 and 1,718,942.13
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Solution
The fourth proportional to 2,942,330.79, 4,060,756.68 and 1,718,942.13 is: 2,372,338.88
Step by Step Solution
- Step 1: Write the proportion equation
2,942,330.79 : 4,060,756.68 = 1,718,942.13 : x - Step 2: Convert to fraction form
2,942,330.79/4,060,756.68 = 1,718,942.13/x - Step 3: Cross multiply
2,942,330.79x = 4,060,756.68 × 1,718,942.13 - Step 4: Simplify right side
2,942,330.79x = 6,980,205,736,930.93 - Step 5: Solve for x
x = 6,980,205,736,930.93/2,942,330.79 - Step 6: Final answer
x = 2,372,338.88
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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.