Finding the Fourth Proportional to 1,867,490.40, 2,577,102.84 and 1,051,690.80
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Solution
The fourth proportional to 1,867,490.40, 2,577,102.84 and 1,051,690.80 is: 1,451,314.21
Step by Step Solution
- Step 1: Write the proportion equation
1,867,490.40 : 2,577,102.84 = 1,051,690.80 : x - Step 2: Convert to fraction form
1,867,490.40/2,577,102.84 = 1,051,690.80/x - Step 3: Cross multiply
1,867,490.40x = 2,577,102.84 × 1,051,690.80 - Step 4: Simplify right side
1,867,490.40x = 2,710,315,347,481.87 - Step 5: Solve for x
x = 2,710,315,347,481.87/1,867,490.40 - Step 6: Final answer
x = 1,451,314.21
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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.