Finding the Fourth Proportional to 7,720,344.19, 11,580,599.44 and 2,329,041.32
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Solution
The fourth proportional to 7,720,344.19, 11,580,599.44 and 2,329,041.32 is: 3,493,587.07
Step by Step Solution
- Step 1: Write the proportion equation
7,720,344.19 : 11,580,599.44 = 2,329,041.32 : x - Step 2: Convert to fraction form
7,720,344.19/11,580,599.44 = 2,329,041.32/x - Step 3: Cross multiply
7,720,344.19x = 11,580,599.44 × 2,329,041.32 - Step 4: Simplify right side
7,720,344.19x = 26,971,694,620,584.43 - Step 5: Solve for x
x = 26,971,694,620,584.43/7,720,344.19 - Step 6: Final answer
x = 3,493,587.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.