Finding the Fourth Proportional to 4,828,276.90, 7,243,387.35 and 1,416,556.90
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Solution
The fourth proportional to 4,828,276.90, 7,243,387.35 and 1,416,556.90 is: 2,125,120.52
Step by Step Solution
- Step 1: Write the proportion equation
4,828,276.90 : 7,243,387.35 = 1,416,556.90 : x - Step 2: Convert to fraction form
4,828,276.90/7,243,387.35 = 1,416,556.90/x - Step 3: Cross multiply
4,828,276.90x = 7,243,387.35 × 1,416,556.90 - Step 4: Simplify right side
4,828,276.90x = 10,260,670,330,015.21 - Step 5: Solve for x
x = 10,260,670,330,015.21/4,828,276.90 - Step 6: Final answer
x = 2,125,120.52
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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.