Finding the Fourth Proportional to 2,070,902.23, 2,857,817.81 and 1,140,592.11
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Solution
The fourth proportional to 2,070,902.23, 2,857,817.81 and 1,140,592.11 is: 1,574,002.09
Step by Step Solution
- Step 1: Write the proportion equation
2,070,902.23 : 2,857,817.81 = 1,140,592.11 : x - Step 2: Convert to fraction form
2,070,902.23/2,857,817.81 = 1,140,592.11/x - Step 3: Cross multiply
2,070,902.23x = 2,857,817.81 × 1,140,592.11 - Step 4: Simplify right side
2,070,902.23x = 3,259,604,438,038.14 - Step 5: Solve for x
x = 3,259,604,438,038.14/2,070,902.23 - Step 6: Final answer
x = 1,574,002.09
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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.