Finding the Fourth Proportional to 2,900,213.61, 4,350,292.70 and 1,763,289.71
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Solution
The fourth proportional to 2,900,213.61, 4,350,292.70 and 1,763,289.71 is: 2,644,917.70
Step by Step Solution
- Step 1: Write the proportion equation
2,900,213.61 : 4,350,292.70 = 1,763,289.71 : x - Step 2: Convert to fraction form
2,900,213.61/4,350,292.70 = 1,763,289.71/x - Step 3: Cross multiply
2,900,213.61x = 4,350,292.70 × 1,763,289.71 - Step 4: Simplify right side
2,900,213.61x = 7,670,826,322,830.21 - Step 5: Solve for x
x = 7,670,826,322,830.21/2,900,213.61 - Step 6: Final answer
x = 2,644,917.70
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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.