Finding the Fourth Proportional to 5,525,777.91, 7,625,577.80 and 3,078,394.71
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Solution
The fourth proportional to 5,525,777.91, 7,625,577.80 and 3,078,394.71 is: 4,248,187.08
Step by Step Solution
- Step 1: Write the proportion equation
5,525,777.91 : 7,625,577.80 = 3,078,394.71 : x - Step 2: Convert to fraction form
5,525,777.91/7,625,577.80 = 3,078,394.71/x - Step 3: Cross multiply
5,525,777.91x = 7,625,577.80 × 3,078,394.71 - Step 4: Simplify right side
5,525,777.91x = 23,474,538,339,313.51 - Step 5: Solve for x
x = 23,474,538,339,313.51/5,525,777.91 - Step 6: Final answer
x = 4,248,187.08
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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.