Finding the Fourth Proportional to 7,658,620.84, 10,568,862.10 and 4,220,854.44
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Solution
The fourth proportional to 7,658,620.84, 10,568,862.10 and 4,220,854.44 is: 5,824,760.03
Step by Step Solution
- Step 1: Write the proportion equation
7,658,620.84 : 10,568,862.10 = 4,220,854.44 : x - Step 2: Convert to fraction form
7,658,620.84/10,568,862.10 = 4,220,854.44/x - Step 3: Cross multiply
7,658,620.84x = 10,568,862.10 × 4,220,854.44 - Step 4: Simplify right side
7,658,620.84x = 44,609,628,520,532.73 - Step 5: Solve for x
x = 44,609,628,520,532.73/7,658,620.84 - Step 6: Final answer
x = 5,824,760.03
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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.