Finding the Fourth Proportional to 3,240,323.20, 4,854,652.80 and 2,570,809.60
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Solution
The fourth proportional to 3,240,323.20, 4,854,652.80 and 2,570,809.60 is: 3,851,587.40
Step by Step Solution
- Step 1: Write the proportion equation
3,240,323.20 : 4,854,652.80 = 2,570,809.60 : x - Step 2: Convert to fraction form
3,240,323.20/4,854,652.80 = 2,570,809.60/x - Step 3: Cross multiply
3,240,323.20x = 4,854,652.80 × 2,570,809.60 - Step 4: Simplify right side
3,240,323.20x = 12,480,388,022,906.88 - Step 5: Solve for x
x = 12,480,388,022,906.88/3,240,323.20 - Step 6: Final answer
x = 3,851,587.40
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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.