Finding the Fourth Proportional to 4,276,615.19, 6,416,009.60 and 1,243,981.06
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Solution
The fourth proportional to 4,276,615.19, 6,416,009.60 and 1,243,981.06 is: 1,866,287.72
Step by Step Solution
- Step 1: Write the proportion equation
4,276,615.19 : 6,416,009.60 = 1,243,981.06 : x - Step 2: Convert to fraction form
4,276,615.19/6,416,009.60 = 1,243,981.06/x - Step 3: Cross multiply
4,276,615.19x = 6,416,009.60 × 1,243,981.06 - Step 4: Simplify right side
4,276,615.19x = 7,981,394,400,918.25 - Step 5: Solve for x
x = 7,981,394,400,918.25/4,276,615.19 - Step 6: Final answer
x = 1,866,287.72
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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.