Finding the Fourth Proportional to 3,822,303.70, 5,742,009.15 and 3,192,447.70
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Solution
The fourth proportional to 3,822,303.70, 5,742,009.15 and 3,192,447.70 is: 4,795,815.65
Step by Step Solution
- Step 1: Write the proportion equation
3,822,303.70 : 5,742,009.15 = 3,192,447.70 : x - Step 2: Convert to fraction form
3,822,303.70/5,742,009.15 = 3,192,447.70/x - Step 3: Cross multiply
3,822,303.70x = 5,742,009.15 × 3,192,447.70 - Step 4: Simplify right side
3,822,303.70x = 18,331,063,904,296.46 - Step 5: Solve for x
x = 18,331,063,904,296.46/3,822,303.70 - Step 6: Final answer
x = 4,795,815.65
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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.