Finding the Fourth Proportional to 7,265,720.26, 10,898,925.99 and 2,778,380.74
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Solution
The fourth proportional to 7,265,720.26, 10,898,925.99 and 2,778,380.74 is: 4,167,703.27
Step by Step Solution
- Step 1: Write the proportion equation
7,265,720.26 : 10,898,925.99 = 2,778,380.74 : x - Step 2: Convert to fraction form
7,265,720.26/10,898,925.99 = 2,778,380.74/x - Step 3: Cross multiply
7,265,720.26x = 10,898,925.99 × 2,778,380.74 - Step 4: Simplify right side
7,265,720.26x = 30,281,366,057,301.44 - Step 5: Solve for x
x = 30,281,366,057,301.44/7,265,720.26 - Step 6: Final answer
x = 4,167,703.27
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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.