Finding the Fourth Proportional to 2,996,235.45, 4,134,805.07 and 1,619,574.65
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Solution
The fourth proportional to 2,996,235.45, 4,134,805.07 and 1,619,574.65 is: 2,235,013.09
Step by Step Solution
- Step 1: Write the proportion equation
2,996,235.45 : 4,134,805.07 = 1,619,574.65 : x - Step 2: Convert to fraction form
2,996,235.45/4,134,805.07 = 1,619,574.65/x - Step 3: Cross multiply
2,996,235.45x = 4,134,805.07 × 1,619,574.65 - Step 4: Simplify right side
2,996,235.45x = 6,696,625,460,797.10 - Step 5: Solve for x
x = 6,696,625,460,797.10/2,996,235.45 - Step 6: Final answer
x = 2,235,013.09
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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.