Finding the Fourth Proportional to 3,163,762.72, 4,365,970.64 and 1,713,425.12
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Solution
The fourth proportional to 3,163,762.72, 4,365,970.64 and 1,713,425.12 is: 2,364,514.80
Step by Step Solution
- Step 1: Write the proportion equation
3,163,762.72 : 4,365,970.64 = 1,713,425.12 : x - Step 2: Convert to fraction form
3,163,762.72/4,365,970.64 = 1,713,425.12/x - Step 3: Cross multiply
3,163,762.72x = 4,365,970.64 × 1,713,425.12 - Step 4: Simplify right side
3,163,762.72x = 7,480,763,767,758.48 - Step 5: Solve for x
x = 7,480,763,767,758.48/3,163,762.72 - Step 6: Final answer
x = 2,364,514.80
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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.