Finding the Fourth Proportional to 4,288,403.21, 6,435,160.75 and 1,556,163.76
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Solution
The fourth proportional to 4,288,403.21, 6,435,160.75 and 1,556,163.76 is: 2,335,173.13
Step by Step Solution
- Step 1: Write the proportion equation
4,288,403.21 : 6,435,160.75 = 1,556,163.76 : x - Step 2: Convert to fraction form
4,288,403.21/6,435,160.75 = 1,556,163.76/x - Step 3: Cross multiply
4,288,403.21x = 6,435,160.75 × 1,556,163.76 - Step 4: Simplify right side
4,288,403.21x = 10,014,163,948,924.42 - Step 5: Solve for x
x = 10,014,163,948,924.42/4,288,403.21 - Step 6: Final answer
x = 2,335,173.13
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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.