Finding the Fourth Proportional to 6,437,400.18, 8,879,916.84 and 4,018,753.14
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Solution
The fourth proportional to 6,437,400.18, 8,879,916.84 and 4,018,753.14 is: 5,543,572.36
Step by Step Solution
- Step 1: Write the proportion equation
6,437,400.18 : 8,879,916.84 = 4,018,753.14 : x - Step 2: Convert to fraction form
6,437,400.18/8,879,916.84 = 4,018,753.14/x - Step 3: Cross multiply
6,437,400.18x = 8,879,916.84 × 4,018,753.14 - Step 4: Simplify right side
6,437,400.18x = 35,686,193,683,688.88 - Step 5: Solve for x
x = 35,686,193,683,688.88/6,437,400.18 - Step 6: Final answer
x = 5,543,572.36
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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.