Finding the Fourth Proportional to 4,427,389.20, 6,642,250.20 and 1,587,205.20
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Solution
The fourth proportional to 4,427,389.20, 6,642,250.20 and 1,587,205.20 is: 2,381,225.95
Step by Step Solution
- Step 1: Write the proportion equation
4,427,389.20 : 6,642,250.20 = 1,587,205.20 : x - Step 2: Convert to fraction form
4,427,389.20/6,642,250.20 = 1,587,205.20/x - Step 3: Cross multiply
4,427,389.20x = 6,642,250.20 × 1,587,205.20 - Step 4: Simplify right side
4,427,389.20x = 10,542,614,057,141.04 - Step 5: Solve for x
x = 10,542,614,057,141.04/4,427,389.20 - Step 6: Final answer
x = 2,381,225.95
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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.