Finding the Fourth Proportional to 2,133,117.12, 2,943,747.99 and 1,273,517.04
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Solution
The fourth proportional to 2,133,117.12, 2,943,747.99 and 1,273,517.04 is: 1,757,481.20
Step by Step Solution
- Step 1: Write the proportion equation
2,133,117.12 : 2,943,747.99 = 1,273,517.04 : x - Step 2: Convert to fraction form
2,133,117.12/2,943,747.99 = 1,273,517.04/x - Step 3: Cross multiply
2,133,117.12x = 2,943,747.99 × 1,273,517.04 - Step 4: Simplify right side
2,133,117.12x = 3,748,913,226,730.75 - Step 5: Solve for x
x = 3,748,913,226,730.75/2,133,117.12 - Step 6: Final answer
x = 1,757,481.20
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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.