Finding the Fourth Proportional to 4,367,471.90, 6,551,207.85 and 2,765,275.70
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Solution
The fourth proportional to 4,367,471.90, 6,551,207.85 and 2,765,275.70 is: 4,147,913.55
Step by Step Solution
- Step 1: Write the proportion equation
4,367,471.90 : 6,551,207.85 = 2,765,275.70 : x - Step 2: Convert to fraction form
4,367,471.90/6,551,207.85 = 2,765,275.70/x - Step 3: Cross multiply
4,367,471.90x = 6,551,207.85 × 2,765,275.70 - Step 4: Simplify right side
4,367,471.90x = 18,115,895,873,254.25 - Step 5: Solve for x
x = 18,115,895,873,254.25/4,367,471.90 - Step 6: Final answer
x = 4,147,913.55
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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.