Finding the Fourth Proportional to 5,621,612.96, 7,757,828.48 and 3,043,293.74
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Solution
The fourth proportional to 5,621,612.96, 7,757,828.48 and 3,043,293.74 is: 4,199,746.76
Step by Step Solution
- Step 1: Write the proportion equation
5,621,612.96 : 7,757,828.48 = 3,043,293.74 : x - Step 2: Convert to fraction form
5,621,612.96/7,757,828.48 = 3,043,293.74/x - Step 3: Cross multiply
5,621,612.96x = 7,757,828.48 × 3,043,293.74 - Step 4: Simplify right side
5,621,612.96x = 23,609,350,817,996.80 - Step 5: Solve for x
x = 23,609,350,817,996.80/5,621,612.96 - Step 6: Final answer
x = 4,199,746.76
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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.