Finding the Fourth Proportional to 4,163,478.72, 5,743,840.95 and 2,787,265.68
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Solution
The fourth proportional to 4,163,478.72, 5,743,840.95 and 2,787,265.68 is: 3,845,248.61
Step by Step Solution
- Step 1: Write the proportion equation
4,163,478.72 : 5,743,840.95 = 2,787,265.68 : x - Step 2: Convert to fraction form
4,163,478.72/5,743,840.95 = 2,787,265.68/x - Step 3: Cross multiply
4,163,478.72x = 5,743,840.95 × 2,787,265.68 - Step 4: Simplify right side
4,163,478.72x = 16,009,610,751,313.60 - Step 5: Solve for x
x = 16,009,610,751,313.60/4,163,478.72 - Step 6: Final answer
x = 3,845,248.61
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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.