Finding the Fourth Proportional to 2,430,376.66, 3,353,903.85 and 1,342,718.38
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Solution
The fourth proportional to 2,430,376.66, 3,353,903.85 and 1,342,718.38 is: 1,852,942.56
Step by Step Solution
- Step 1: Write the proportion equation
2,430,376.66 : 3,353,903.85 = 1,342,718.38 : x - Step 2: Convert to fraction form
2,430,376.66/3,353,903.85 = 1,342,718.38/x - Step 3: Cross multiply
2,430,376.66x = 3,353,903.85 × 1,342,718.38 - Step 4: Simplify right side
2,430,376.66x = 4,503,348,344,147.76 - Step 5: Solve for x
x = 4,503,348,344,147.76/2,430,376.66 - Step 6: Final answer
x = 1,852,942.56
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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.