Finding the Fourth Proportional to 4,787,116.13, 6,605,318.12 and 2,853,556.62
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Solution
The fourth proportional to 4,787,116.13, 6,605,318.12 and 2,853,556.62 is: 3,937,370.38
Step by Step Solution
- Step 1: Write the proportion equation
4,787,116.13 : 6,605,318.12 = 2,853,556.62 : x - Step 2: Convert to fraction form
4,787,116.13/6,605,318.12 = 2,853,556.62/x - Step 3: Cross multiply
4,787,116.13x = 6,605,318.12 × 2,853,556.62 - Step 4: Simplify right side
4,787,116.13x = 18,848,649,234,264.17 - Step 5: Solve for x
x = 18,848,649,234,264.17/4,787,116.13 - Step 6: Final answer
x = 3,937,370.38
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1.5x scale
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.