Finding the Fourth Proportional to 5,855,423.80, 8,783,135.70 and 1,866,335.80
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Solution
The fourth proportional to 5,855,423.80, 8,783,135.70 and 1,866,335.80 is: 2,799,503.70
Step by Step Solution
- Step 1: Write the proportion equation
5,855,423.80 : 8,783,135.70 = 1,866,335.80 : x - Step 2: Convert to fraction form
5,855,423.80/8,783,135.70 = 1,866,335.80/x - Step 3: Cross multiply
5,855,423.80x = 8,783,135.70 × 1,866,335.80 - Step 4: Simplify right side
5,855,423.80x = 16,392,280,593,168.06 - Step 5: Solve for x
x = 16,392,280,593,168.06/5,855,423.80 - Step 6: Final answer
x = 2,799,503.70
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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.