Finding the Fourth Proportional to 4,427,410.20, 6,642,281.70 and 1,587,226.20
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Solution
The fourth proportional to 4,427,410.20, 6,642,281.70 and 1,587,226.20 is: 2,381,257.45
Step by Step Solution
- Step 1: Write the proportion equation
4,427,410.20 : 6,642,281.70 = 1,587,226.20 : x - Step 2: Convert to fraction form
4,427,410.20/6,642,281.70 = 1,587,226.20/x - Step 3: Cross multiply
4,427,410.20x = 6,642,281.70 × 1,587,226.20 - Step 4: Simplify right side
4,427,410.20x = 10,542,803,542,020.54 - Step 5: Solve for x
x = 10,542,803,542,020.54/4,427,410.20 - Step 6: Final answer
x = 2,381,257.45
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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.