Finding the Fourth Proportional to 4,458,619.95, 6,153,420.80 and 2,647,783.95
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Solution
The fourth proportional to 4,458,619.95, 6,153,420.80 and 2,647,783.95 is: 3,654,253.78
Step by Step Solution
- Step 1: Write the proportion equation
4,458,619.95 : 6,153,420.80 = 2,647,783.95 : x - Step 2: Convert to fraction form
4,458,619.95/6,153,420.80 = 2,647,783.95/x - Step 3: Cross multiply
4,458,619.95x = 6,153,420.80 × 2,647,783.95 - Step 4: Simplify right side
4,458,619.95x = 16,292,928,818,597.24 - Step 5: Solve for x
x = 16,292,928,818,597.24/4,458,619.95 - Step 6: Final answer
x = 3,654,253.78
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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.