Finding the Fourth Proportional to 2,330,488.88, 3,216,135.48 and 1,311,930.80
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Solution
The fourth proportional to 2,330,488.88, 3,216,135.48 and 1,311,930.80 is: 1,810,498.75
Step by Step Solution
- Step 1: Write the proportion equation
2,330,488.88 : 3,216,135.48 = 1,311,930.80 : x - Step 2: Convert to fraction form
2,330,488.88/3,216,135.48 = 1,311,930.80/x - Step 3: Cross multiply
2,330,488.88x = 3,216,135.48 × 1,311,930.80 - Step 4: Simplify right side
2,330,488.88x = 4,219,347,193,184.78 - Step 5: Solve for x
x = 4,219,347,193,184.78/2,330,488.88 - Step 6: Final answer
x = 1,810,498.75
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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.