Finding the Fourth Proportional to 4,675,321.71, 6,453,018.09 and 2,742,205.05
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Solution
The fourth proportional to 4,675,321.71, 6,453,018.09 and 2,742,205.05 is: 3,784,872.98
Step by Step Solution
- Step 1: Write the proportion equation
4,675,321.71 : 6,453,018.09 = 2,742,205.05 : x - Step 2: Convert to fraction form
4,675,321.71/6,453,018.09 = 2,742,205.05/x - Step 3: Cross multiply
4,675,321.71x = 6,453,018.09 × 2,742,205.05 - Step 4: Simplify right side
4,675,321.71x = 17,695,498,794,139.35 - Step 5: Solve for x
x = 17,695,498,794,139.35/4,675,321.71 - Step 6: Final answer
x = 3,784,872.98
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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.