Finding the Fourth Proportional to 5,423,555.41, 7,484,485.84 and 2,976,207.01
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Solution
The fourth proportional to 5,423,555.41, 7,484,485.84 and 2,976,207.01 is: 4,107,154.36
Step by Step Solution
- Step 1: Write the proportion equation
5,423,555.41 : 7,484,485.84 = 2,976,207.01 : x - Step 2: Convert to fraction form
5,423,555.41/7,484,485.84 = 2,976,207.01/x - Step 3: Cross multiply
5,423,555.41x = 7,484,485.84 × 2,976,207.01 - Step 4: Simplify right side
5,423,555.41x = 22,275,379,223,253.73 - Step 5: Solve for x
x = 22,275,379,223,253.73/5,423,555.41 - Step 6: Final answer
x = 4,107,154.36
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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.