Finding the Fourth Proportional to 2,865,772.96, 3,954,766.66 and 1,576,585.68
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Solution
The fourth proportional to 2,865,772.96, 3,954,766.66 and 1,576,585.68 is: 2,175,688.22
Step by Step Solution
- Step 1: Write the proportion equation
2,865,772.96 : 3,954,766.66 = 1,576,585.68 : x - Step 2: Convert to fraction form
2,865,772.96/3,954,766.66 = 1,576,585.68/x - Step 3: Cross multiply
2,865,772.96x = 3,954,766.66 × 1,576,585.68 - Step 4: Simplify right side
2,865,772.96x = 6,235,028,483,897.43 - Step 5: Solve for x
x = 6,235,028,483,897.43/2,865,772.96 - Step 6: Final answer
x = 2,175,688.22
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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.