Finding the Fourth Proportional to 3,705,643.20, 5,554,317.60 and 1,575,364.80
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Solution
The fourth proportional to 3,705,643.20, 5,554,317.60 and 1,575,364.80 is: 2,361,284.12
Step by Step Solution
- Step 1: Write the proportion equation
3,705,643.20 : 5,554,317.60 = 1,575,364.80 : x - Step 2: Convert to fraction form
3,705,643.20/5,554,317.60 = 1,575,364.80/x - Step 3: Cross multiply
3,705,643.20x = 5,554,317.60 × 1,575,364.80 - Step 4: Simplify right side
3,705,643.20x = 8,750,076,435,060.48 - Step 5: Solve for x
x = 8,750,076,435,060.48/3,705,643.20 - Step 6: Final answer
x = 2,361,284.12
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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.