Finding the Fourth Proportional to 2,033,666.99, 2,806,459.35 and 1,115,902.16
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Solution
The fourth proportional to 2,033,666.99, 2,806,459.35 and 1,115,902.16 is: 1,539,944.38
Step by Step Solution
- Step 1: Write the proportion equation
2,033,666.99 : 2,806,459.35 = 1,115,902.16 : x - Step 2: Convert to fraction form
2,033,666.99/2,806,459.35 = 1,115,902.16/x - Step 3: Cross multiply
2,033,666.99x = 2,806,459.35 × 1,115,902.16 - Step 4: Simplify right side
2,033,666.99x = 3,131,734,050,617.20 - Step 5: Solve for x
x = 3,131,734,050,617.20/2,033,666.99 - Step 6: Final answer
x = 1,539,944.38
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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.