Finding the Fourth Proportional to 5,725,288.70, 8,587,933.05 and 5,479,567.10
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Solution
The fourth proportional to 5,725,288.70, 8,587,933.05 and 5,479,567.10 is: 8,219,350.65
Step by Step Solution
- Step 1: Write the proportion equation
5,725,288.70 : 8,587,933.05 = 5,479,567.10 : x - Step 2: Convert to fraction form
5,725,288.70/8,587,933.05 = 5,479,567.10/x - Step 3: Cross multiply
5,725,288.70x = 8,587,933.05 × 5,479,567.10 - Step 4: Simplify right side
5,725,288.70x = 47,058,155,397,782.66 - Step 5: Solve for x
x = 47,058,155,397,782.66/5,725,288.70 - Step 6: Final answer
x = 8,219,350.65
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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.