Finding the Fourth Proportional to 2,894,331.66, 3,994,423.05 and 1,605,587.28
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Solution
The fourth proportional to 2,894,331.66, 3,994,423.05 and 1,605,587.28 is: 2,215,846.56
Step by Step Solution
- Step 1: Write the proportion equation
2,894,331.66 : 3,994,423.05 = 1,605,587.28 : x - Step 2: Convert to fraction form
2,894,331.66/3,994,423.05 = 1,605,587.28/x - Step 3: Cross multiply
2,894,331.66x = 3,994,423.05 × 1,605,587.28 - Step 4: Simplify right side
2,894,331.66x = 6,413,394,840,018.80 - Step 5: Solve for x
x = 6,413,394,840,018.80/2,894,331.66 - Step 6: Final answer
x = 2,215,846.56
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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.