Finding the Fourth Proportional to 2,127,246.80, 3,190,870.20 and 1,891,317.20
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Solution
The fourth proportional to 2,127,246.80, 3,190,870.20 and 1,891,317.20 is: 2,836,975.80
Step by Step Solution
- Step 1: Write the proportion equation
2,127,246.80 : 3,190,870.20 = 1,891,317.20 : x - Step 2: Convert to fraction form
2,127,246.80/3,190,870.20 = 1,891,317.20/x - Step 3: Cross multiply
2,127,246.80x = 3,190,870.20 × 1,891,317.20 - Step 4: Simplify right side
2,127,246.80x = 6,034,947,692,227.44 - Step 5: Solve for x
x = 6,034,947,692,227.44/2,127,246.80 - Step 6: Final answer
x = 2,836,975.80
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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.