Finding the Fourth Proportional to 4,787,331.70, 6,606,485.56 and 2,722,348.08
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Solution
The fourth proportional to 4,787,331.70, 6,606,485.56 and 2,722,348.08 is: 3,756,822.05
Step by Step Solution
- Step 1: Write the proportion equation
4,787,331.70 : 6,606,485.56 = 2,722,348.08 : x - Step 2: Convert to fraction form
4,787,331.70/6,606,485.56 = 2,722,348.08/x - Step 3: Cross multiply
4,787,331.70x = 6,606,485.56 × 2,722,348.08 - Step 4: Simplify right side
4,787,331.70x = 17,985,153,279,813.72 - Step 5: Solve for x
x = 17,985,153,279,813.72/4,787,331.70 - Step 6: Final answer
x = 3,756,822.05
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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.