Finding the Fourth Proportional to 2,648,122.12, 3,647,447.34 and 2,035,101.88
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Solution
The fourth proportional to 2,648,122.12, 3,647,447.34 and 2,035,101.88 is: 2,803,090.87
Step by Step Solution
- Step 1: Write the proportion equation
2,648,122.12 : 3,647,447.34 = 2,035,101.88 : x - Step 2: Convert to fraction form
2,648,122.12/3,647,447.34 = 2,035,101.88/x - Step 3: Cross multiply
2,648,122.12x = 3,647,447.34 × 2,035,101.88 - Step 4: Simplify right side
2,648,122.12x = 7,422,926,938,835.00 - Step 5: Solve for x
x = 7,422,926,938,835.00/2,648,122.12 - Step 6: Final answer
x = 2,803,090.87
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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.