Finding the Fourth Proportional to 2,122,214.22, 3,182,239.85 and 1,042,798.50
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Solution
The fourth proportional to 2,122,214.22, 3,182,239.85 and 1,042,798.50 is: 1,563,666.34
Step by Step Solution
- Step 1: Write the proportion equation
2,122,214.22 : 3,182,239.85 = 1,042,798.50 : x - Step 2: Convert to fraction form
2,122,214.22/3,182,239.85 = 1,042,798.50/x - Step 3: Cross multiply
2,122,214.22x = 3,182,239.85 × 1,042,798.50 - Step 4: Simplify right side
2,122,214.22x = 3,318,434,937,006.23 - Step 5: Solve for x
x = 3,318,434,937,006.23/2,122,214.22 - Step 6: Final answer
x = 1,563,666.34
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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.