Finding the Fourth Proportional to 2,391,128.39, 3,587,479.97 and 970,803.11
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Solution
The fourth proportional to 2,391,128.39, 3,587,479.97 and 970,803.11 is: 1,456,524.34
Step by Step Solution
- Step 1: Write the proportion equation
2,391,128.39 : 3,587,479.97 = 970,803.11 : x - Step 2: Convert to fraction form
2,391,128.39/3,587,479.97 = 970,803.11/x - Step 3: Cross multiply
2,391,128.39x = 3,587,479.97 × 970,803.11 - Step 4: Simplify right side
2,391,128.39x = 3,482,736,689,147.29 - Step 5: Solve for x
x = 3,482,736,689,147.29/2,391,128.39 - Step 6: Final answer
x = 1,456,524.34
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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.