Finding the Fourth Proportional to 4,068,948.67, 5,619,809.44 and 2,679,720.46
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Solution
The fourth proportional to 4,068,948.67, 5,619,809.44 and 2,679,720.46 is: 3,701,083.39
Step by Step Solution
- Step 1: Write the proportion equation
4,068,948.67 : 5,619,809.44 = 2,679,720.46 : x - Step 2: Convert to fraction form
4,068,948.67/5,619,809.44 = 2,679,720.46/x - Step 3: Cross multiply
4,068,948.67x = 5,619,809.44 × 2,679,720.46 - Step 4: Simplify right side
4,068,948.67x = 15,059,518,326,969.27 - Step 5: Solve for x
x = 15,059,518,326,969.27/4,068,948.67 - Step 6: Final answer
x = 3,701,083.39
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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.