Finding the Fourth Proportional to 4,442,235.20, 6,663,759.44 and 1,247,339.84
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Solution
The fourth proportional to 4,442,235.20, 6,663,759.44 and 1,247,339.84 is: 1,871,123.95
Step by Step Solution
- Step 1: Write the proportion equation
4,442,235.20 : 6,663,759.44 = 1,247,339.84 : x - Step 2: Convert to fraction form
4,442,235.20/6,663,759.44 = 1,247,339.84/x - Step 3: Cross multiply
4,442,235.20x = 6,663,759.44 × 1,247,339.84 - Step 4: Simplify right side
4,442,235.20x = 8,311,972,648,788.31 - Step 5: Solve for x
x = 8,311,972,648,788.31/4,442,235.20 - Step 6: Final answer
x = 1,871,123.95
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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.