Finding the Fourth Proportional to 4,163,175.60, 6,240,616.20 and 1,915,393.20
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Solution
The fourth proportional to 4,163,175.60, 6,240,616.20 and 1,915,393.20 is: 2,871,181.76
Step by Step Solution
- Step 1: Write the proportion equation
4,163,175.60 : 6,240,616.20 = 1,915,393.20 : x - Step 2: Convert to fraction form
4,163,175.60/6,240,616.20 = 1,915,393.20/x - Step 3: Cross multiply
4,163,175.60x = 6,240,616.20 × 1,915,393.20 - Step 4: Simplify right side
4,163,175.60x = 11,953,233,833,289.84 - Step 5: Solve for x
x = 11,953,233,833,289.84/4,163,175.60 - Step 6: Final answer
x = 2,871,181.76
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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.