Finding the Fourth Proportional to 2,261,552.02, 3,120,809.97 and 1,242,957.62
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Solution
The fourth proportional to 2,261,552.02, 3,120,809.97 and 1,242,957.62 is: 1,715,209.07
Step by Step Solution
- Step 1: Write the proportion equation
2,261,552.02 : 3,120,809.97 = 1,242,957.62 : x - Step 2: Convert to fraction form
2,261,552.02/3,120,809.97 = 1,242,957.62/x - Step 3: Cross multiply
2,261,552.02x = 3,120,809.97 × 1,242,957.62 - Step 4: Simplify right side
2,261,552.02x = 3,879,034,532,783.47 - Step 5: Solve for x
x = 3,879,034,532,783.47/2,261,552.02 - Step 6: Final answer
x = 1,715,209.07
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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.