Finding the Fourth Proportional to 5,125,406.72, 7,688,184.60 and 1,338,890
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Solution
The fourth proportional to 5,125,406.72, 7,688,184.60 and 1,338,890 is: 2,008,354.47
Step by Step Solution
- Step 1: Write the proportion equation
5,125,406.72 : 7,688,184.60 = 1,338,890 : x - Step 2: Convert to fraction form
5,125,406.72/7,688,184.60 = 1,338,890/x - Step 3: Cross multiply
5,125,406.72x = 7,688,184.60 × 1,338,890 - Step 4: Simplify right side
5,125,406.72x = 10,293,633,479,094 - Step 5: Solve for x
x = 10,293,633,479,094/5,125,406.72 - Step 6: Final answer
x = 2,008,354.47
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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.