Finding the Fourth Proportional to 2,912,617.35, 4,370,869.49 and 1,019,358.99
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Solution
The fourth proportional to 2,912,617.35, 4,370,869.49 and 1,019,358.99 is: 1,529,718.66
Step by Step Solution
- Step 1: Write the proportion equation
2,912,617.35 : 4,370,869.49 = 1,019,358.99 : x - Step 2: Convert to fraction form
2,912,617.35/4,370,869.49 = 1,019,358.99/x - Step 3: Cross multiply
2,912,617.35x = 4,370,869.49 × 1,019,358.99 - Step 4: Simplify right side
2,912,617.35x = 4,455,485,103,651.42 - Step 5: Solve for x
x = 4,455,485,103,651.42/2,912,617.35 - Step 6: Final answer
x = 1,529,718.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.