Finding the Fourth Proportional to 5,732,113.20, 7,910,438.76 and 3,153,801.48
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Solution
The fourth proportional to 5,732,113.20, 7,910,438.76 and 3,153,801.48 is: 4,352,313.47
Step by Step Solution
- Step 1: Write the proportion equation
5,732,113.20 : 7,910,438.76 = 3,153,801.48 : x - Step 2: Convert to fraction form
5,732,113.20/7,910,438.76 = 3,153,801.48/x - Step 3: Cross multiply
5,732,113.20x = 7,910,438.76 × 3,153,801.48 - Step 4: Simplify right side
5,732,113.20x = 24,947,953,468,737.36 - Step 5: Solve for x
x = 24,947,953,468,737.36/5,732,113.20 - Step 6: Final answer
x = 4,352,313.47
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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.