Finding the Fourth Proportional to 8,671,879.21, 13,003,490.47 and 2,835,304.62
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Solution
The fourth proportional to 8,671,879.21, 13,003,490.47 and 2,835,304.62 is: 4,251,541.75
Step by Step Solution
- Step 1: Write the proportion equation
8,671,879.21 : 13,003,490.47 = 2,835,304.62 : x - Step 2: Convert to fraction form
8,671,879.21/13,003,490.47 = 2,835,304.62/x - Step 3: Cross multiply
8,671,879.21x = 13,003,490.47 × 2,835,304.62 - Step 4: Simplify right side
8,671,879.21x = 36,868,856,526,523 - Step 5: Solve for x
x = 36,868,856,526,523/8,671,879.21 - Step 6: Final answer
x = 4,251,541.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.