Finding the Fourth Proportional to 6,471,340.58, 8,930,443.23 and 3,570,731.28
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Solution
The fourth proportional to 6,471,340.58, 8,930,443.23 and 3,570,731.28 is: 4,927,605.43
Step by Step Solution
- Step 1: Write the proportion equation
6,471,340.58 : 8,930,443.23 = 3,570,731.28 : x - Step 2: Convert to fraction form
6,471,340.58/8,930,443.23 = 3,570,731.28/x - Step 3: Cross multiply
6,471,340.58x = 8,930,443.23 × 3,570,731.28 - Step 4: Simplify right side
6,471,340.58x = 31,888,212,985,625.23 - Step 5: Solve for x
x = 31,888,212,985,625.23/6,471,340.58 - Step 6: Final answer
x = 4,927,605.43
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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.