Finding the Fourth Proportional to 6,747,263.20, 10,120,895.16 and 1,954,955.62
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Solution
The fourth proportional to 6,747,263.20, 10,120,895.16 and 1,954,955.62 is: 2,932,433.53
Step by Step Solution
- Step 1: Write the proportion equation
6,747,263.20 : 10,120,895.16 = 1,954,955.62 : x - Step 2: Convert to fraction form
6,747,263.20/10,120,895.16 = 1,954,955.62/x - Step 3: Cross multiply
6,747,263.20x = 10,120,895.16 × 1,954,955.62 - Step 4: Simplify right side
6,747,263.20x = 19,785,900,872,472.80 - Step 5: Solve for x
x = 19,785,900,872,472.80/6,747,263.20 - Step 6: Final answer
x = 2,932,433.53
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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.