Finding the Fourth Proportional to 5,642,949.03, 7,787,315.42 and 3,064,648.26
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Solution
The fourth proportional to 5,642,949.03, 7,787,315.42 and 3,064,648.26 is: 4,229,239.45
Step by Step Solution
- Step 1: Write the proportion equation
5,642,949.03 : 7,787,315.42 = 3,064,648.26 : x - Step 2: Convert to fraction form
5,642,949.03/7,787,315.42 = 3,064,648.26/x - Step 3: Cross multiply
5,642,949.03x = 7,787,315.42 × 3,064,648.26 - Step 4: Simplify right side
5,642,949.03x = 23,865,382,651,974.17 - Step 5: Solve for x
x = 23,865,382,651,974.17/5,642,949.03 - Step 6: Final answer
x = 4,229,239.45
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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.