Finding the Fourth Proportional to 2,041,974.14, 2,817,872.78 and 1,124,194.12
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Solution
The fourth proportional to 2,041,974.14, 2,817,872.78 and 1,124,194.12 is: 1,551,359.51
Step by Step Solution
- Step 1: Write the proportion equation
2,041,974.14 : 2,817,872.78 = 1,124,194.12 : x - Step 2: Convert to fraction form
2,041,974.14/2,817,872.78 = 1,124,194.12/x - Step 3: Cross multiply
2,041,974.14x = 2,817,872.78 × 1,124,194.12 - Step 4: Simplify right side
2,041,974.14x = 3,167,835,997,518.40 - Step 5: Solve for x
x = 3,167,835,997,518.40/2,041,974.14 - Step 6: Final answer
x = 1,551,359.51
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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.