Finding the Fourth Proportional to 3,972,795.68, 5,483,048.28 and 2,340,681.32
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Solution
The fourth proportional to 3,972,795.68, 5,483,048.28 and 2,340,681.32 is: 3,230,487.98
Step by Step Solution
- Step 1: Write the proportion equation
3,972,795.68 : 5,483,048.28 = 2,340,681.32 : x - Step 2: Convert to fraction form
3,972,795.68/5,483,048.28 = 2,340,681.32/x - Step 3: Cross multiply
3,972,795.68x = 5,483,048.28 × 2,340,681.32 - Step 4: Simplify right side
3,972,795.68x = 12,834,068,685,654.13 - Step 5: Solve for x
x = 12,834,068,685,654.13/3,972,795.68 - Step 6: Final answer
x = 3,230,487.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.