Finding the Fourth Proportional to 1,891,739.25, 2,610,600.17 and 1,212,675.75
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Solution
The fourth proportional to 1,891,739.25, 2,610,600.17 and 1,212,675.75 is: 1,673,492.54
Step by Step Solution
- Step 1: Write the proportion equation
1,891,739.25 : 2,610,600.17 = 1,212,675.75 : x - Step 2: Convert to fraction form
1,891,739.25/2,610,600.17 = 1,212,675.75/x - Step 3: Cross multiply
1,891,739.25x = 2,610,600.17 × 1,212,675.75 - Step 4: Simplify right side
1,891,739.25x = 3,165,811,513,041.50 - Step 5: Solve for x
x = 3,165,811,513,041.50/1,891,739.25 - Step 6: Final answer
x = 1,673,492.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.