Finding the Fourth Proportional to 4,382,491.74, 6,573,737.73 and 1,187,617.80
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Solution
The fourth proportional to 4,382,491.74, 6,573,737.73 and 1,187,617.80 is: 1,781,426.73
Step by Step Solution
- Step 1: Write the proportion equation
4,382,491.74 : 6,573,737.73 = 1,187,617.80 : x - Step 2: Convert to fraction form
4,382,491.74/6,573,737.73 = 1,187,617.80/x - Step 3: Cross multiply
4,382,491.74x = 6,573,737.73 × 1,187,617.80 - Step 4: Simplify right side
4,382,491.74x = 7,807,087,940,679.60 - Step 5: Solve for x
x = 7,807,087,940,679.60/4,382,491.74 - Step 6: Final answer
x = 1,781,426.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.