Finding the Fourth Proportional to 1,995,720.99, 2,993,539.08 and 647,881.68
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Solution
The fourth proportional to 1,995,720.99, 2,993,539.08 and 647,881.68 is: 971,808.75
Step by Step Solution
- Step 1: Write the proportion equation
1,995,720.99 : 2,993,539.08 = 647,881.68 : x - Step 2: Convert to fraction form
1,995,720.99/2,993,539.08 = 647,881.68/x - Step 3: Cross multiply
1,995,720.99x = 2,993,539.08 × 647,881.68 - Step 4: Simplify right side
1,995,720.99x = 1,939,459,128,296.05 - Step 5: Solve for x
x = 1,939,459,128,296.05/1,995,720.99 - Step 6: Final answer
x = 971,808.75
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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.