Finding the Fourth Proportional to 1,693,121.79, 2,539,760.45 and 430,960.35
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Solution
The fourth proportional to 1,693,121.79, 2,539,760.45 and 430,960.35 is: 646,460.32
Step by Step Solution
- Step 1: Write the proportion equation
1,693,121.79 : 2,539,760.45 = 430,960.35 : x - Step 2: Convert to fraction form
1,693,121.79/2,539,760.45 = 430,960.35/x - Step 3: Cross multiply
1,693,121.79x = 2,539,760.45 × 430,960.35 - Step 4: Simplify right side
1,693,121.79x = 1,094,536,050,293.36 - Step 5: Solve for x
x = 1,094,536,050,293.36/1,693,121.79 - Step 6: Final answer
x = 646,460.32
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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.