Finding the Fourth Proportional to 3,557,717.92, 4,909,652.24 and 1,926,125.20
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Solution
The fourth proportional to 3,557,717.92, 4,909,652.24 and 1,926,125.20 is: 2,658,053.59
Step by Step Solution
- Step 1: Write the proportion equation
3,557,717.92 : 4,909,652.24 = 1,926,125.20 : x - Step 2: Convert to fraction form
3,557,717.92/4,909,652.24 = 1,926,125.20/x - Step 3: Cross multiply
3,557,717.92x = 4,909,652.24 × 1,926,125.20 - Step 4: Simplify right side
3,557,717.92x = 9,456,604,902,700.45 - Step 5: Solve for x
x = 9,456,604,902,700.45/3,557,717.92 - Step 6: Final answer
x = 2,658,053.59
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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.