Finding the Fourth Proportional to 2,156,963.13, 2,977,687.76 and 1,341,429.54
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Solution
The fourth proportional to 2,156,963.13, 2,977,687.76 and 1,341,429.54 is: 1,851,843.58
Step by Step Solution
- Step 1: Write the proportion equation
2,156,963.13 : 2,977,687.76 = 1,341,429.54 : x - Step 2: Convert to fraction form
2,156,963.13/2,977,687.76 = 1,341,429.54/x - Step 3: Cross multiply
2,156,963.13x = 2,977,687.76 × 1,341,429.54 - Step 4: Simplify right side
2,156,963.13x = 3,994,358,315,453.28 - Step 5: Solve for x
x = 3,994,358,315,453.28/2,156,963.13 - Step 6: Final answer
x = 1,851,843.58
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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.