Finding the Fourth Proportional to 5,684,820.36, 7,845,154.76 and 3,106,609.80
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Solution
The fourth proportional to 5,684,820.36, 7,845,154.76 and 3,106,609.80 is: 4,287,177.63
Step by Step Solution
- Step 1: Write the proportion equation
5,684,820.36 : 7,845,154.76 = 3,106,609.80 : x - Step 2: Convert to fraction form
5,684,820.36/7,845,154.76 = 3,106,609.80/x - Step 3: Cross multiply
5,684,820.36x = 7,845,154.76 × 3,106,609.80 - Step 4: Simplify right side
5,684,820.36x = 24,371,834,659,932.64 - Step 5: Solve for x
x = 24,371,834,659,932.64/5,684,820.36 - Step 6: Final answer
x = 4,287,177.63
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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.