Finding the Fourth Proportional to 5,879,207.40, 8,818,811.10 and 4,187,149.80
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Solution
The fourth proportional to 5,879,207.40, 8,818,811.10 and 4,187,149.80 is: 6,280,724.70
Step by Step Solution
- Step 1: Write the proportion equation
5,879,207.40 : 8,818,811.10 = 4,187,149.80 : x - Step 2: Convert to fraction form
5,879,207.40/8,818,811.10 = 4,187,149.80/x - Step 3: Cross multiply
5,879,207.40x = 8,818,811.10 × 4,187,149.80 - Step 4: Simplify right side
5,879,207.40x = 36,925,683,133,602.77 - Step 5: Solve for x
x = 36,925,683,133,602.77/5,879,207.40 - Step 6: Final answer
x = 6,280,724.70
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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.