Finding the Fourth Proportional to 2,133,116.12, 2,943,746.61 and 1,273,516.04
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Solution
The fourth proportional to 2,133,116.12, 2,943,746.61 and 1,273,516.04 is: 1,757,479.82
Step by Step Solution
- Step 1: Write the proportion equation
2,133,116.12 : 2,943,746.61 = 1,273,516.04 : x - Step 2: Convert to fraction form
2,133,116.12/2,943,746.61 = 1,273,516.04/x - Step 3: Cross multiply
2,133,116.12x = 2,943,746.61 × 1,273,516.04 - Step 4: Simplify right side
2,133,116.12x = 3,748,908,525,530.62 - Step 5: Solve for x
x = 3,748,908,525,530.62/2,133,116.12 - Step 6: Final answer
x = 1,757,479.82
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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.