Finding the Fourth Proportional to 5,245,646.12, 7,238,983.29 and 2,953,823.21
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Solution
The fourth proportional to 5,245,646.12, 7,238,983.29 and 2,953,823.21 is: 4,076,271.32
Step by Step Solution
- Step 1: Write the proportion equation
5,245,646.12 : 7,238,983.29 = 2,953,823.21 : x - Step 2: Convert to fraction form
5,245,646.12/7,238,983.29 = 2,953,823.21/x - Step 3: Cross multiply
5,245,646.12x = 7,238,983.29 × 2,953,823.21 - Step 4: Simplify right side
5,245,646.12x = 21,382,676,858,804.16 - Step 5: Solve for x
x = 21,382,676,858,804.16/5,245,646.12 - Step 6: Final answer
x = 4,076,271.32
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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.