Finding the Fourth Proportional to 8,860,840.80, 13,291,261.20 and 2,129,254.80
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Solution
The fourth proportional to 8,860,840.80, 13,291,261.20 and 2,129,254.80 is: 3,193,882.20
Step by Step Solution
- Step 1: Write the proportion equation
8,860,840.80 : 13,291,261.20 = 2,129,254.80 : x - Step 2: Convert to fraction form
8,860,840.80/13,291,261.20 = 2,129,254.80/x - Step 3: Cross multiply
8,860,840.80x = 13,291,261.20 × 2,129,254.80 - Step 4: Simplify right side
8,860,840.80x = 28,300,481,708,153.76 - Step 5: Solve for x
x = 28,300,481,708,153.76/8,860,840.80 - Step 6: Final answer
x = 3,193,882.20
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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.