Finding the Fourth Proportional to 2,103,076.84, 2,902,247.40 and 1,136,206.60
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Solution
The fourth proportional to 2,103,076.84, 2,902,247.40 and 1,136,206.60 is: 1,567,965.84
Step by Step Solution
- Step 1: Write the proportion equation
2,103,076.84 : 2,902,247.40 = 1,136,206.60 : x - Step 2: Convert to fraction form
2,103,076.84/2,902,247.40 = 1,136,206.60/x - Step 3: Cross multiply
2,103,076.84x = 2,902,247.40 × 1,136,206.60 - Step 4: Simplify right side
2,103,076.84x = 3,297,552,650,712.84 - Step 5: Solve for x
x = 3,297,552,650,712.84/2,103,076.84 - Step 6: Final answer
x = 1,567,965.84
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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.