Finding the Fourth Proportional to 7,249,990.80, 10,874,986.20 and 4,861,203.60
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Solution
The fourth proportional to 7,249,990.80, 10,874,986.20 and 4,861,203.60 is: 7,291,805.40
Step by Step Solution
- Step 1: Write the proportion equation
7,249,990.80 : 10,874,986.20 = 4,861,203.60 : x - Step 2: Convert to fraction form
7,249,990.80/10,874,986.20 = 4,861,203.60/x - Step 3: Cross multiply
7,249,990.80x = 10,874,986.20 × 4,861,203.60 - Step 4: Simplify right side
7,249,990.80x = 52,865,522,065,390.31 - Step 5: Solve for x
x = 52,865,522,065,390.31/7,249,990.80 - Step 6: Final answer
x = 7,291,805.40
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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.