Finding the Fourth Proportional to 2,752,325.70, 4,128,488.55 and 2,185,455.30
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Solution
The fourth proportional to 2,752,325.70, 4,128,488.55 and 2,185,455.30 is: 3,278,182.95
Step by Step Solution
- Step 1: Write the proportion equation
2,752,325.70 : 4,128,488.55 = 2,185,455.30 : x - Step 2: Convert to fraction form
2,752,325.70/4,128,488.55 = 2,185,455.30/x - Step 3: Cross multiply
2,752,325.70x = 4,128,488.55 × 2,185,455.30 - Step 4: Simplify right side
2,752,325.70x = 9,022,627,182,586.82 - Step 5: Solve for x
x = 9,022,627,182,586.82/2,752,325.70 - Step 6: Final answer
x = 3,278,182.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.