Finding the Fourth Proportional to 3,087,175.10, 4,630,762.65 and 843,313.10
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Solution
The fourth proportional to 3,087,175.10, 4,630,762.65 and 843,313.10 is: 1,264,969.65
Step by Step Solution
- Step 1: Write the proportion equation
3,087,175.10 : 4,630,762.65 = 843,313.10 : x - Step 2: Convert to fraction form
3,087,175.10/4,630,762.65 = 843,313.10/x - Step 3: Cross multiply
3,087,175.10x = 4,630,762.65 × 843,313.10 - Step 4: Simplify right side
3,087,175.10x = 3,905,182,805,735.72 - Step 5: Solve for x
x = 3,905,182,805,735.72/3,087,175.10 - Step 6: Final answer
x = 1,264,969.65
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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.