Finding the Fourth Proportional to 4,648,132.70, 6,972,600.87 and 1,282,339.70
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Solution
The fourth proportional to 4,648,132.70, 6,972,600.87 and 1,282,339.70 is: 1,923,620.41
Step by Step Solution
- Step 1: Write the proportion equation
4,648,132.70 : 6,972,600.87 = 1,282,339.70 : x - Step 2: Convert to fraction form
4,648,132.70/6,972,600.87 = 1,282,339.70/x - Step 3: Cross multiply
4,648,132.70x = 6,972,600.87 × 1,282,339.70 - Step 4: Simplify right side
4,648,132.70x = 8,941,242,907,855.54 - Step 5: Solve for x
x = 8,941,242,907,855.54/4,648,132.70 - Step 6: Final answer
x = 1,923,620.41
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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.