Finding the Fourth Proportional to 2,413,393.93, 3,330,122.65 and 1,380,737.70
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Solution
The fourth proportional to 2,413,393.93, 3,330,122.65 and 1,380,737.70 is: 1,905,211.51
Step by Step Solution
- Step 1: Write the proportion equation
2,413,393.93 : 3,330,122.65 = 1,380,737.70 : x - Step 2: Convert to fraction form
2,413,393.93/3,330,122.65 = 1,380,737.70/x - Step 3: Cross multiply
2,413,393.93x = 3,330,122.65 × 1,380,737.70 - Step 4: Simplify right side
2,413,393.93x = 4,598,025,888,478.90 - Step 5: Solve for x
x = 4,598,025,888,478.90/2,413,393.93 - Step 6: Final answer
x = 1,905,211.51
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1.5x scale
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.