Finding the Fourth Proportional to 2,865,790.36, 3,954,784.78 and 1,576,627.68
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Solution
The fourth proportional to 2,865,790.36, 3,954,784.78 and 1,576,627.68 is: 2,175,742.94
Step by Step Solution
- Step 1: Write the proportion equation
2,865,790.36 : 3,954,784.78 = 1,576,627.68 : x - Step 2: Convert to fraction form
2,865,790.36/3,954,784.78 = 1,576,627.68/x - Step 3: Cross multiply
2,865,790.36x = 3,954,784.78 × 1,576,627.68 - Step 4: Simplify right side
2,865,790.36x = 6,235,223,152,590.71 - Step 5: Solve for x
x = 6,235,223,152,590.71/2,865,790.36 - Step 6: Final answer
x = 2,175,742.94
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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.