Finding the Fourth Proportional to 3,126,021.60, 4,688,891.52 and 1,303,636.08
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Solution
The fourth proportional to 3,126,021.60, 4,688,891.52 and 1,303,636.08 is: 1,955,395.37
Step by Step Solution
- Step 1: Write the proportion equation
3,126,021.60 : 4,688,891.52 = 1,303,636.08 : x - Step 2: Convert to fraction form
3,126,021.60/4,688,891.52 = 1,303,636.08/x - Step 3: Cross multiply
3,126,021.60x = 4,688,891.52 × 1,303,636.08 - Step 4: Simplify right side
3,126,021.60x = 6,112,608,160,678.04 - Step 5: Solve for x
x = 6,112,608,160,678.04/3,126,021.60 - Step 6: Final answer
x = 1,955,395.37
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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.