Finding the Fourth Proportional to 7,121,829.42, 10,682,757.48 and 1,730,484.40
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Solution
The fourth proportional to 7,121,829.42, 10,682,757.48 and 1,730,484.40 is: 2,595,729.84
Step by Step Solution
- Step 1: Write the proportion equation
7,121,829.42 : 10,682,757.48 = 1,730,484.40 : x - Step 2: Convert to fraction form
7,121,829.42/10,682,757.48 = 1,730,484.40/x - Step 3: Cross multiply
7,121,829.42x = 10,682,757.48 × 1,730,484.40 - Step 4: Simplify right side
7,121,829.42x = 18,486,345,168,123.31 - Step 5: Solve for x
x = 18,486,345,168,123.31/7,121,829.42 - Step 6: Final answer
x = 2,595,729.84
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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.