Finding the Fourth Proportional to 7,531,879.84, 11,297,721.84 and 1,852,153.76
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Solution
The fourth proportional to 7,531,879.84, 11,297,721.84 and 1,852,153.76 is: 2,778,206.56
Step by Step Solution
- Step 1: Write the proportion equation
7,531,879.84 : 11,297,721.84 = 1,852,153.76 : x - Step 2: Convert to fraction form
7,531,879.84/11,297,721.84 = 1,852,153.76/x - Step 3: Cross multiply
7,531,879.84x = 11,297,721.84 × 1,852,153.76 - Step 4: Simplify right side
7,531,879.84x = 20,925,117,985,390.12 - Step 5: Solve for x
x = 20,925,117,985,390.12/7,531,879.84 - Step 6: Final answer
x = 2,778,206.56
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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.