Finding the Fourth Proportional to 4,991,332.76, 6,888,039.12 and 2,699,493.44
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Solution
The fourth proportional to 4,991,332.76, 6,888,039.12 and 2,699,493.44 is: 3,725,300.90
Step by Step Solution
- Step 1: Write the proportion equation
4,991,332.76 : 6,888,039.12 = 2,699,493.44 : x - Step 2: Convert to fraction form
4,991,332.76/6,888,039.12 = 2,699,493.44/x - Step 3: Cross multiply
4,991,332.76x = 6,888,039.12 × 2,699,493.44 - Step 4: Simplify right side
4,991,332.76x = 18,594,216,418,903.37 - Step 5: Solve for x
x = 18,594,216,418,903.37/4,991,332.76 - Step 6: Final answer
x = 3,725,300.90
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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.