Finding the Fourth Proportional to 2,780,024.42, 3,834,455.58 and 2,551,320.42
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Solution
The fourth proportional to 2,780,024.42, 3,834,455.58 and 2,551,320.42 is: 3,519,006.79
Step by Step Solution
- Step 1: Write the proportion equation
2,780,024.42 : 3,834,455.58 = 2,551,320.42 : x - Step 2: Convert to fraction form
2,780,024.42/3,834,455.58 = 2,551,320.42/x - Step 3: Cross multiply
2,780,024.42x = 3,834,455.58 × 2,551,320.42 - Step 4: Simplify right side
2,780,024.42x = 9,782,924,820,836.94 - Step 5: Solve for x
x = 9,782,924,820,836.94/2,780,024.42 - Step 6: Final answer
x = 3,519,006.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.