Finding the Fourth Proportional to 4,989,974.18, 6,886,169.25 and 2,698,134.26
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Solution
The fourth proportional to 4,989,974.18, 6,886,169.25 and 2,698,134.26 is: 3,723,427.92
Step by Step Solution
- Step 1: Write the proportion equation
4,989,974.18 : 6,886,169.25 = 2,698,134.26 : x - Step 2: Convert to fraction form
4,989,974.18/6,886,169.25 = 2,698,134.26/x - Step 3: Cross multiply
4,989,974.18x = 6,886,169.25 × 2,698,134.26 - Step 4: Simplify right side
4,989,974.18x = 18,579,809,173,583.50 - Step 5: Solve for x
x = 18,579,809,173,583.50/4,989,974.18 - Step 6: Final answer
x = 3,723,427.92
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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.