Finding the Fourth Proportional to 6,174,205.65, 8,517,689.73 and 3,725,450.91
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Solution
The fourth proportional to 6,174,205.65, 8,517,689.73 and 3,725,450.91 is: 5,139,484.62
Step by Step Solution
- Step 1: Write the proportion equation
6,174,205.65 : 8,517,689.73 = 3,725,450.91 : x - Step 2: Convert to fraction form
6,174,205.65/8,517,689.73 = 3,725,450.91/x - Step 3: Cross multiply
6,174,205.65x = 8,517,689.73 × 3,725,450.91 - Step 4: Simplify right side
6,174,205.65x = 31,732,234,955,726.16 - Step 5: Solve for x
x = 31,732,234,955,726.16/6,174,205.65 - Step 6: Final answer
x = 5,139,484.62
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1.5x scale
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.