Finding the Fourth Proportional to 5,888,434.78, 8,124,838.80 and 3,440,572.40
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Solution
The fourth proportional to 5,888,434.78, 8,124,838.80 and 3,440,572.40 is: 4,747,288.07
Step by Step Solution
- Step 1: Write the proportion equation
5,888,434.78 : 8,124,838.80 = 3,440,572.40 : x - Step 2: Convert to fraction form
5,888,434.78/8,124,838.80 = 3,440,572.40/x - Step 3: Cross multiply
5,888,434.78x = 8,124,838.80 × 3,440,572.40 - Step 4: Simplify right side
5,888,434.78x = 27,954,096,156,492.29 - Step 5: Solve for x
x = 27,954,096,156,492.29/5,888,434.78 - Step 6: Final answer
x = 4,747,288.07
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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.