Finding the Fourth Proportional to 3,614,149.18, 4,987,479.30 and 2,065,393.12
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Solution
The fourth proportional to 3,614,149.18, 4,987,479.30 and 2,065,393.12 is: 2,850,215.89
Step by Step Solution
- Step 1: Write the proportion equation
3,614,149.18 : 4,987,479.30 = 2,065,393.12 : x - Step 2: Convert to fraction form
3,614,149.18/4,987,479.30 = 2,065,393.12/x - Step 3: Cross multiply
3,614,149.18x = 4,987,479.30 × 2,065,393.12 - Step 4: Simplify right side
3,614,149.18x = 10,301,105,432,362.42 - Step 5: Solve for x
x = 10,301,105,432,362.42/3,614,149.18 - Step 6: Final answer
x = 2,850,215.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.