Finding the Fourth Proportional to 3,141,291.58, 4,712,176.05 and 1,221,377.92
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Solution
The fourth proportional to 3,141,291.58, 4,712,176.05 and 1,221,377.92 is: 1,832,159.68
Step by Step Solution
- Step 1: Write the proportion equation
3,141,291.58 : 4,712,176.05 = 1,221,377.92 : x - Step 2: Convert to fraction form
3,141,291.58/4,712,176.05 = 1,221,377.92/x - Step 3: Cross multiply
3,141,291.58x = 4,712,176.05 × 1,221,377.92 - Step 4: Simplify right side
3,141,291.58x = 5,755,347,782,622.82 - Step 5: Solve for x
x = 5,755,347,782,622.82/3,141,291.58 - Step 6: Final answer
x = 1,832,159.68
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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.