Finding the Fourth Proportional to 2,912,794.90, 4,369,192.35 and 1,019,727.70
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Solution
The fourth proportional to 2,912,794.90, 4,369,192.35 and 1,019,727.70 is: 1,529,591.55
Step by Step Solution
- Step 1: Write the proportion equation
2,912,794.90 : 4,369,192.35 = 1,019,727.70 : x - Step 2: Convert to fraction form
2,912,794.90/4,369,192.35 = 1,019,727.70/x - Step 3: Cross multiply
2,912,794.90x = 4,369,192.35 × 1,019,727.70 - Step 4: Simplify right side
2,912,794.90x = 4,455,386,465,923.10 - Step 5: Solve for x
x = 4,455,386,465,923.10/2,912,794.90 - Step 6: Final answer
x = 1,529,591.55
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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.