Finding the Fourth Proportional to 5,465,815.74, 8,203,698.90 and 2,909,177.10
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Solution
The fourth proportional to 5,465,815.74, 8,203,698.90 and 2,909,177.10 is: 4,366,413.75
Step by Step Solution
- Step 1: Write the proportion equation
5,465,815.74 : 8,203,698.90 = 2,909,177.10 : x - Step 2: Convert to fraction form
5,465,815.74/8,203,698.90 = 2,909,177.10/x - Step 3: Cross multiply
5,465,815.74x = 8,203,698.90 × 2,909,177.10 - Step 4: Simplify right side
5,465,815.74x = 23,866,012,975,175.19 - Step 5: Solve for x
x = 23,866,012,975,175.19/5,465,815.74 - Step 6: Final answer
x = 4,366,413.75
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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.