Finding the Fourth Proportional to 7,879,444.29, 11,819,528.91 and 2,414,147.76
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Solution
The fourth proportional to 7,879,444.29, 11,819,528.91 and 2,414,147.76 is: 3,621,332.70
Step by Step Solution
- Step 1: Write the proportion equation
7,879,444.29 : 11,819,528.91 = 2,414,147.76 : x - Step 2: Convert to fraction form
7,879,444.29/11,819,528.91 = 2,414,147.76/x - Step 3: Cross multiply
7,879,444.29x = 11,819,528.91 × 2,414,147.76 - Step 4: Simplify right side
7,879,444.29x = 28,534,089,242,331.74 - Step 5: Solve for x
x = 28,534,089,242,331.74/7,879,444.29 - Step 6: Final answer
x = 3,621,332.70
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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.