Finding the Fourth Proportional to 1,990,319.99, 2,985,483.11 and 605,466.02
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Solution
The fourth proportional to 1,990,319.99, 2,985,483.11 and 605,466.02 is: 908,199.97
Step by Step Solution
- Step 1: Write the proportion equation
1,990,319.99 : 2,985,483.11 = 605,466.02 : x - Step 2: Convert to fraction form
1,990,319.99/2,985,483.11 = 605,466.02/x - Step 3: Cross multiply
1,990,319.99x = 2,985,483.11 × 605,466.02 - Step 4: Simplify right side
1,990,319.99x = 1,807,608,558,434.18 - Step 5: Solve for x
x = 1,807,608,558,434.18/1,990,319.99 - Step 6: Final answer
x = 908,199.97
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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.