Finding the Fourth Proportional to 5,890,624.80, 8,128,900.64 and 3,312,239.28
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Solution
The fourth proportional to 5,890,624.80, 8,128,900.64 and 3,312,239.28 is: 4,570,799.35
Step by Step Solution
- Step 1: Write the proportion equation
5,890,624.80 : 8,128,900.64 = 3,312,239.28 : x - Step 2: Convert to fraction form
5,890,624.80/8,128,900.64 = 3,312,239.28/x - Step 3: Cross multiply
5,890,624.80x = 8,128,900.64 × 3,312,239.28 - Step 4: Simplify right side
5,890,624.80x = 26,924,864,003,025.14 - Step 5: Solve for x
x = 26,924,864,003,025.14/5,890,624.80 - Step 6: Final answer
x = 4,570,799.35
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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.