Finding the Fourth Proportional to 5,411,485.12, 7,464,252.80 and 3,480,188.80
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Solution
The fourth proportional to 5,411,485.12, 7,464,252.80 and 3,480,188.80 is: 4,800,347.49
Step by Step Solution
- Step 1: Write the proportion equation
5,411,485.12 : 7,464,252.80 = 3,480,188.80 : x - Step 2: Convert to fraction form
5,411,485.12/7,464,252.80 = 3,480,188.80/x - Step 3: Cross multiply
5,411,485.12x = 7,464,252.80 × 3,480,188.80 - Step 4: Simplify right side
5,411,485.12x = 25,977,008,994,928.64 - Step 5: Solve for x
x = 25,977,008,994,928.64/5,411,485.12 - Step 6: Final answer
x = 4,800,347.49
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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.