Finding the Fourth Proportional to 2,911,657.80, 4,367,486.70 and 1,018,201.80
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Solution
The fourth proportional to 2,911,657.80, 4,367,486.70 and 1,018,201.80 is: 1,527,302.70
Step by Step Solution
- Step 1: Write the proportion equation
2,911,657.80 : 4,367,486.70 = 1,018,201.80 : x - Step 2: Convert to fraction form
2,911,657.80/4,367,486.70 = 1,018,201.80/x - Step 3: Cross multiply
2,911,657.80x = 4,367,486.70 × 1,018,201.80 - Step 4: Simplify right side
2,911,657.80x = 4,446,982,819,416.06 - Step 5: Solve for x
x = 4,446,982,819,416.06/2,911,657.80 - Step 6: Final answer
x = 1,527,302.70
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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.