Finding the Fourth Proportional to 2,377,558.19, 3,281,339.75 and 1,331,377.80
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Solution
The fourth proportional to 2,377,558.19, 3,281,339.75 and 1,331,377.80 is: 1,837,474.65
Step by Step Solution
- Step 1: Write the proportion equation
2,377,558.19 : 3,281,339.75 = 1,331,377.80 : x - Step 2: Convert to fraction form
2,377,558.19/3,281,339.75 = 1,331,377.80/x - Step 3: Cross multiply
2,377,558.19x = 3,281,339.75 × 1,331,377.80 - Step 4: Simplify right side
2,377,558.19x = 4,368,702,890,750.66 - Step 5: Solve for x
x = 4,368,702,890,750.66/2,377,558.19 - Step 6: Final answer
x = 1,837,474.65
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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.