Finding the Fourth Proportional to 2,911,204.60, 4,366,806.90 and 2,788,343.80
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Solution
The fourth proportional to 2,911,204.60, 4,366,806.90 and 2,788,343.80 is: 4,182,515.70
Step by Step Solution
- Step 1: Write the proportion equation
2,911,204.60 : 4,366,806.90 = 2,788,343.80 : x - Step 2: Convert to fraction form
2,911,204.60/4,366,806.90 = 2,788,343.80/x - Step 3: Cross multiply
2,911,204.60x = 4,366,806.90 × 2,788,343.80 - Step 4: Simplify right side
2,911,204.60x = 12,176,158,945,412.22 - Step 5: Solve for x
x = 12,176,158,945,412.22/2,911,204.60 - Step 6: Final answer
x = 4,182,515.70
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1.5x scale
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.