Finding the Fourth Proportional to 4,805,283.32, 6,630,636.48 and 2,871,135.08
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Solution
The fourth proportional to 4,805,283.32, 6,630,636.48 and 2,871,135.08 is: 3,961,775.35
Step by Step Solution
- Step 1: Write the proportion equation
4,805,283.32 : 6,630,636.48 = 2,871,135.08 : x - Step 2: Convert to fraction form
4,805,283.32/6,630,636.48 = 2,871,135.08/x - Step 3: Cross multiply
4,805,283.32x = 6,630,636.48 × 2,871,135.08 - Step 4: Simplify right side
4,805,283.32x = 19,037,453,000,455.72 - Step 5: Solve for x
x = 19,037,453,000,455.72/4,805,283.32 - Step 6: Final answer
x = 3,961,775.35
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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.