Finding the Fourth Proportional to 4,883,153.55, 7,324,017.21 and 1,423,963.74
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Solution
The fourth proportional to 4,883,153.55, 7,324,017.21 and 1,423,963.74 is: 2,135,737.66
Step by Step Solution
- Step 1: Write the proportion equation
4,883,153.55 : 7,324,017.21 = 1,423,963.74 : x - Step 2: Convert to fraction form
4,883,153.55/7,324,017.21 = 1,423,963.74/x - Step 3: Cross multiply
4,883,153.55x = 7,324,017.21 × 1,423,963.74 - Step 4: Simplify right side
4,883,153.55x = 10,429,134,938,175.96 - Step 5: Solve for x
x = 10,429,134,938,175.96/4,883,153.55 - Step 6: Final answer
x = 2,135,737.66
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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.