Finding the Fourth Proportional to 2,122,757.24, 2,929,439.92 and 1,155,906.40
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Solution
The fourth proportional to 2,122,757.24, 2,929,439.92 and 1,155,906.40 is: 1,595,169.85
Step by Step Solution
- Step 1: Write the proportion equation
2,122,757.24 : 2,929,439.92 = 1,155,906.40 : x - Step 2: Convert to fraction form
2,122,757.24/2,929,439.92 = 1,155,906.40/x - Step 3: Cross multiply
2,122,757.24x = 2,929,439.92 × 1,155,906.40 - Step 4: Simplify right side
2,122,757.24x = 3,386,158,351,943.49 - Step 5: Solve for x
x = 3,386,158,351,943.49/2,122,757.24 - Step 6: Final answer
x = 1,595,169.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.