Finding the Fourth Proportional to 2,030,688.90, 2,802,344.84 and 1,125,270.90
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Solution
The fourth proportional to 2,030,688.90, 2,802,344.84 and 1,125,270.90 is: 1,552,870.60
Step by Step Solution
- Step 1: Write the proportion equation
2,030,688.90 : 2,802,344.84 = 1,125,270.90 : x - Step 2: Convert to fraction form
2,030,688.90/2,802,344.84 = 1,125,270.90/x - Step 3: Cross multiply
2,030,688.90x = 2,802,344.84 × 1,125,270.90 - Step 4: Simplify right side
2,030,688.90x = 3,153,397,100,217.16 - Step 5: Solve for x
x = 3,153,397,100,217.16/2,030,688.90 - Step 6: Final answer
x = 1,552,870.60
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1.5x scale
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.