Finding the Fourth Proportional to 4,863,447.36, 6,711,348.24 and 2,687,878.08
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Solution
The fourth proportional to 4,863,447.36, 6,711,348.24 and 2,687,878.08 is: 3,709,156.18
Step by Step Solution
- Step 1: Write the proportion equation
4,863,447.36 : 6,711,348.24 = 2,687,878.08 : x - Step 2: Convert to fraction form
4,863,447.36/6,711,348.24 = 2,687,878.08/x - Step 3: Cross multiply
4,863,447.36x = 6,711,348.24 × 2,687,878.08 - Step 4: Simplify right side
4,863,447.36x = 18,039,285,821,542.58 - Step 5: Solve for x
x = 18,039,285,821,542.58/4,863,447.36 - Step 6: Final answer
x = 3,709,156.18
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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.