Finding the Fourth Proportional to 3,112,509.99, 4,295,594.01 and 1,824,432.60
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Solution
The fourth proportional to 3,112,509.99, 4,295,594.01 and 1,824,432.60 is: 2,517,910.55
Step by Step Solution
- Step 1: Write the proportion equation
3,112,509.99 : 4,295,594.01 = 1,824,432.60 : x - Step 2: Convert to fraction form
3,112,509.99/4,295,594.01 = 1,824,432.60/x - Step 3: Cross multiply
3,112,509.99x = 4,295,594.01 × 1,824,432.60 - Step 4: Simplify right side
3,112,509.99x = 7,837,021,748,208.73 - Step 5: Solve for x
x = 7,837,021,748,208.73/3,112,509.99 - Step 6: Final answer
x = 2,517,910.55
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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.