Finding the Fourth Proportional to 5,927,762.14, 8,180,319.81 and 3,211,508.14
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Solution
The fourth proportional to 5,927,762.14, 8,180,319.81 and 3,211,508.14 is: 4,431,885.60
Step by Step Solution
- Step 1: Write the proportion equation
5,927,762.14 : 8,180,319.81 = 3,211,508.14 : x - Step 2: Convert to fraction form
5,927,762.14/8,180,319.81 = 3,211,508.14/x - Step 3: Cross multiply
5,927,762.14x = 8,180,319.81 × 3,211,508.14 - Step 4: Simplify right side
5,927,762.14x = 26,271,163,657,618.25 - Step 5: Solve for x
x = 26,271,163,657,618.25/5,927,762.14 - Step 6: Final answer
x = 4,431,885.60
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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.