Finding the Fourth Proportional to 3,447,315.25, 4,752,191.23 and 2,206,742.99
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Solution
The fourth proportional to 3,447,315.25, 4,752,191.23 and 2,206,742.99 is: 3,042,038.20
Step by Step Solution
- Step 1: Write the proportion equation
3,447,315.25 : 4,752,191.23 = 2,206,742.99 : x - Step 2: Convert to fraction form
3,447,315.25/4,752,191.23 = 2,206,742.99/x - Step 3: Cross multiply
3,447,315.25x = 4,752,191.23 × 2,206,742.99 - Step 4: Simplify right side
3,447,315.25x = 10,486,864,681,395.24 - Step 5: Solve for x
x = 10,486,864,681,395.24/3,447,315.25 - Step 6: Final answer
x = 3,042,038.20
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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.