Finding the Fourth Proportional to 4,275,652.36, 6,413,478.53 and 1,080,778.53
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Solution
The fourth proportional to 4,275,652.36, 6,413,478.53 and 1,080,778.53 is: 1,621,167.80
Step by Step Solution
- Step 1: Write the proportion equation
4,275,652.36 : 6,413,478.53 = 1,080,778.53 : x - Step 2: Convert to fraction form
4,275,652.36/6,413,478.53 = 1,080,778.53/x - Step 3: Cross multiply
4,275,652.36x = 6,413,478.53 × 1,080,778.53 - Step 4: Simplify right side
4,275,652.36x = 6,931,549,911,266.82 - Step 5: Solve for x
x = 6,931,549,911,266.82/4,275,652.36 - Step 6: Final answer
x = 1,621,167.80
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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.