Finding the Fourth Proportional to 2,084,890.79, 3,127,569.47 and 664,617.35
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Solution
The fourth proportional to 2,084,890.79, 3,127,569.47 and 664,617.35 is: 997,000.38
Step by Step Solution
- Step 1: Write the proportion equation
2,084,890.79 : 3,127,569.47 = 664,617.35 : x - Step 2: Convert to fraction form
2,084,890.79/3,127,569.47 = 664,617.35/x - Step 3: Cross multiply
2,084,890.79x = 3,127,569.47 × 664,617.35 - Step 4: Simplify right side
2,084,890.79x = 2,078,636,914,131.37 - Step 5: Solve for x
x = 2,078,636,914,131.37/2,084,890.79 - Step 6: Final answer
x = 997,000.38
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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.