Finding the Fourth Proportional to 5,251,271.84, 7,876,207.80 and 1,464,437.60
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Solution
The fourth proportional to 5,251,271.84, 7,876,207.80 and 1,464,437.60 is: 2,196,461.20
Step by Step Solution
- Step 1: Write the proportion equation
5,251,271.84 : 7,876,207.80 = 1,464,437.60 : x - Step 2: Convert to fraction form
5,251,271.84/7,876,207.80 = 1,464,437.60/x - Step 3: Cross multiply
5,251,271.84x = 7,876,207.80 × 1,464,437.60 - Step 4: Simplify right side
5,251,271.84x = 11,534,214,847,733.28 - Step 5: Solve for x
x = 11,534,214,847,733.28/5,251,271.84 - Step 6: Final answer
x = 2,196,461.20
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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.