Finding the Fourth Proportional to 2,591,740.80, 3,886,444.80 and 993,772.80
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Solution
The fourth proportional to 2,591,740.80, 3,886,444.80 and 993,772.80 is: 1,490,211.96
Step by Step Solution
- Step 1: Write the proportion equation
2,591,740.80 : 3,886,444.80 = 993,772.80 : x - Step 2: Convert to fraction form
2,591,740.80/3,886,444.80 = 993,772.80/x - Step 3: Cross multiply
2,591,740.80x = 3,886,444.80 × 993,772.80 - Step 4: Simplify right side
2,591,740.80x = 3,862,243,130,941.44 - Step 5: Solve for x
x = 3,862,243,130,941.44/2,591,740.80 - Step 6: Final answer
x = 1,490,211.96
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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.