Finding the Fourth Proportional to 1,621,152.79, 2,431,778.73 and 556,179.91
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Solution
The fourth proportional to 1,621,152.79, 2,431,778.73 and 556,179.91 is: 834,286.86
Step by Step Solution
- Step 1: Write the proportion equation
1,621,152.79 : 2,431,778.73 = 556,179.91 : x - Step 2: Convert to fraction form
1,621,152.79/2,431,778.73 = 556,179.91/x - Step 3: Cross multiply
1,621,152.79x = 2,431,778.73 × 556,179.91 - Step 4: Simplify right side
1,621,152.79x = 1,352,506,467,026.19 - Step 5: Solve for x
x = 1,352,506,467,026.19/1,621,152.79 - Step 6: Final answer
x = 834,286.86
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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.