Finding the Fourth Proportional to 2,238,766.84, 3,358,135.14 and 641,335.78
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Solution
The fourth proportional to 2,238,766.84, 3,358,135.14 and 641,335.78 is: 961,999.34
Step by Step Solution
- Step 1: Write the proportion equation
2,238,766.84 : 3,358,135.14 = 641,335.78 : x - Step 2: Convert to fraction form
2,238,766.84/3,358,135.14 = 641,335.78/x - Step 3: Cross multiply
2,238,766.84x = 3,358,135.14 × 641,335.78 - Step 4: Simplify right side
2,238,766.84x = 2,153,692,219,357.31 - Step 5: Solve for x
x = 2,153,692,219,357.31/2,238,766.84 - Step 6: Final answer
x = 961,999.34
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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.