Finding the Fourth Proportional to 2,783,271.80, 4,174,907.70 and 2,074,683.80
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Solution
The fourth proportional to 2,783,271.80, 4,174,907.70 and 2,074,683.80 is: 3,112,025.70
Step by Step Solution
- Step 1: Write the proportion equation
2,783,271.80 : 4,174,907.70 = 2,074,683.80 : x - Step 2: Convert to fraction form
2,783,271.80/4,174,907.70 = 2,074,683.80/x - Step 3: Cross multiply
2,783,271.80x = 4,174,907.70 × 2,074,683.80 - Step 4: Simplify right side
2,783,271.80x = 8,661,613,371,685.26 - Step 5: Solve for x
x = 8,661,613,371,685.26/2,783,271.80 - Step 6: Final answer
x = 3,112,025.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.