Finding the Fourth Proportional to 5,038,772.78, 6,953,440.04 and 2,833,634.95
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Solution
The fourth proportional to 5,038,772.78, 6,953,440.04 and 2,833,634.95 is: 3,910,378.88
Step by Step Solution
- Step 1: Write the proportion equation
5,038,772.78 : 6,953,440.04 = 2,833,634.95 : x - Step 2: Convert to fraction form
5,038,772.78/6,953,440.04 = 2,833,634.95/x - Step 3: Cross multiply
5,038,772.78x = 6,953,440.04 × 2,833,634.95 - Step 4: Simplify right side
5,038,772.78x = 19,703,510,688,521.62 - Step 5: Solve for x
x = 19,703,510,688,521.62/5,038,772.78 - Step 6: Final answer
x = 3,910,378.88
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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.