Finding the Fourth Proportional to 7,884,881.92, 11,828,487.48 and 2,492,308.54
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Solution
The fourth proportional to 7,884,881.92, 11,828,487.48 and 2,492,308.54 is: 3,738,830.92
Step by Step Solution
- Step 1: Write the proportion equation
7,884,881.92 : 11,828,487.48 = 2,492,308.54 : x - Step 2: Convert to fraction form
7,884,881.92/11,828,487.48 = 2,492,308.54/x - Step 3: Cross multiply
7,884,881.92x = 11,828,487.48 × 2,492,308.54 - Step 4: Simplify right side
7,884,881.92x = 29,480,240,361,687.08 - Step 5: Solve for x
x = 29,480,240,361,687.08/7,884,881.92 - Step 6: Final answer
x = 3,738,830.92
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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.