Finding the Fourth Proportional to 3,927,520.24, 5,878,678.98 and 2,101,316.74
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Solution
The fourth proportional to 3,927,520.24, 5,878,678.98 and 2,101,316.74 is: 3,145,233.07
Step by Step Solution
- Step 1: Write the proportion equation
3,927,520.24 : 5,878,678.98 = 2,101,316.74 : x - Step 2: Convert to fraction form
3,927,520.24/5,878,678.98 = 2,101,316.74/x - Step 3: Cross multiply
3,927,520.24x = 5,878,678.98 × 2,101,316.74 - Step 4: Simplify right side
3,927,520.24x = 12,352,966,549,760.13 - Step 5: Solve for x
x = 12,352,966,549,760.13/3,927,520.24 - Step 6: Final answer
x = 3,145,233.07
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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.