Finding the Fourth Proportional to 2,331,923.80, 3,497,885.70 and 815,102.62
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Solution
The fourth proportional to 2,331,923.80, 3,497,885.70 and 815,102.62 is: 1,222,653.93
Step by Step Solution
- Step 1: Write the proportion equation
2,331,923.80 : 3,497,885.70 = 815,102.62 : x - Step 2: Convert to fraction form
2,331,923.80/3,497,885.70 = 815,102.62/x - Step 3: Cross multiply
2,331,923.80x = 3,497,885.70 × 815,102.62 - Step 4: Simplify right side
2,331,923.80x = 2,851,135,798,530.53 - Step 5: Solve for x
x = 2,851,135,798,530.53/2,331,923.80 - Step 6: Final answer
x = 1,222,653.93
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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.