Finding the Fourth Proportional to 6,437,403.18, 8,879,920.98 and 4,018,756.14
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Solution
The fourth proportional to 6,437,403.18, 8,879,920.98 and 4,018,756.14 is: 5,543,576.50
Step by Step Solution
- Step 1: Write the proportion equation
6,437,403.18 : 8,879,920.98 = 4,018,756.14 : x - Step 2: Convert to fraction form
6,437,403.18/8,879,920.98 = 4,018,756.14/x - Step 3: Cross multiply
6,437,403.18x = 8,879,920.98 × 4,018,756.14 - Step 4: Simplify right side
6,437,403.18x = 35,686,236,961,089.82 - Step 5: Solve for x
x = 35,686,236,961,089.82/6,437,403.18 - Step 6: Final answer
x = 5,543,576.50
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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.