Finding the Fourth Proportional to 2,114,617.40, 2,918,093.83 and 1,147,726.99
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Solution
The fourth proportional to 2,114,617.40, 2,918,093.83 and 1,147,726.99 is: 1,583,820.81
Step by Step Solution
- Step 1: Write the proportion equation
2,114,617.40 : 2,918,093.83 = 1,147,726.99 : x - Step 2: Convert to fraction form
2,114,617.40/2,918,093.83 = 1,147,726.99/x - Step 3: Cross multiply
2,114,617.40x = 2,918,093.83 × 1,147,726.99 - Step 4: Simplify right side
2,114,617.40x = 3,349,175,048,043.47 - Step 5: Solve for x
x = 3,349,175,048,043.47/2,114,617.40 - Step 6: Final answer
x = 1,583,820.81
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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.