Finding the Fourth Proportional to 3,926,621.80, 5,889,932.70 and 2,130,365.80
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Solution
The fourth proportional to 3,926,621.80, 5,889,932.70 and 2,130,365.80 is: 3,195,548.70
Step by Step Solution
- Step 1: Write the proportion equation
3,926,621.80 : 5,889,932.70 = 2,130,365.80 : x - Step 2: Convert to fraction form
3,926,621.80/5,889,932.70 = 2,130,365.80/x - Step 3: Cross multiply
3,926,621.80x = 5,889,932.70 × 2,130,365.80 - Step 4: Simplify right side
3,926,621.80x = 12,547,711,188,381.66 - Step 5: Solve for x
x = 12,547,711,188,381.66/3,926,621.80 - Step 6: Final answer
x = 3,195,548.70
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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.