Finding the Fourth Proportional to 5,212,478.99, 7,818,764.61 and 2,140,159.52
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Solution
The fourth proportional to 5,212,478.99, 7,818,764.61 and 2,140,159.52 is: 3,210,258.22
Step by Step Solution
- Step 1: Write the proportion equation
5,212,478.99 : 7,818,764.61 = 2,140,159.52 : x - Step 2: Convert to fraction form
5,212,478.99/7,818,764.61 = 2,140,159.52/x - Step 3: Cross multiply
5,212,478.99x = 7,818,764.61 × 2,140,159.52 - Step 4: Simplify right side
5,212,478.99x = 16,733,403,542,303.10 - Step 5: Solve for x
x = 16,733,403,542,303.10/5,212,478.99 - Step 6: Final answer
x = 3,210,258.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.