Finding the Fourth Proportional to 3,155,043.08, 4,354,851.36 and 1,866,331.46
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Solution
The fourth proportional to 3,155,043.08, 4,354,851.36 and 1,866,331.46 is: 2,576,065.01
Step by Step Solution
- Step 1: Write the proportion equation
3,155,043.08 : 4,354,851.36 = 1,866,331.46 : x - Step 2: Convert to fraction form
3,155,043.08/4,354,851.36 = 1,866,331.46/x - Step 3: Cross multiply
3,155,043.08x = 4,354,851.36 × 1,866,331.46 - Step 4: Simplify right side
3,155,043.08x = 8,127,596,096,791.79 - Step 5: Solve for x
x = 8,127,596,096,791.79/3,155,043.08 - Step 6: Final answer
x = 2,576,065.01
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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.