Finding the Fourth Proportional to 4,818,536.47, 6,649,460.50 and 2,753,421.01
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Solution
The fourth proportional to 4,818,536.47, 6,649,460.50 and 2,753,421.01 is: 3,799,652.52
Step by Step Solution
- Step 1: Write the proportion equation
4,818,536.47 : 6,649,460.50 = 2,753,421.01 : x - Step 2: Convert to fraction form
4,818,536.47/6,649,460.50 = 2,753,421.01/x - Step 3: Cross multiply
4,818,536.47x = 6,649,460.50 × 2,753,421.01 - Step 4: Simplify right side
4,818,536.47x = 18,308,764,245,865.10 - Step 5: Solve for x
x = 18,308,764,245,865.10/4,818,536.47 - Step 6: Final answer
x = 3,799,652.52
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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.