Finding the Fourth Proportional to 2,104,545.92, 2,904,067.91 and 1,221,357.76
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Solution
The fourth proportional to 2,104,545.92, 2,904,067.91 and 1,221,357.76 is: 1,685,354.47
Step by Step Solution
- Step 1: Write the proportion equation
2,104,545.92 : 2,904,067.91 = 1,221,357.76 : x - Step 2: Convert to fraction form
2,104,545.92/2,904,067.91 = 1,221,357.76/x - Step 3: Cross multiply
2,104,545.92x = 2,904,067.91 × 1,221,357.76 - Step 4: Simplify right side
2,104,545.92x = 3,546,905,873,238.71 - Step 5: Solve for x
x = 3,546,905,873,238.71/2,104,545.92 - Step 6: Final answer
x = 1,685,354.47
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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.