Finding the Fourth Proportional to 4,793,418.09, 6,614,881.47 and 2,617,962.21
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Solution
The fourth proportional to 4,793,418.09, 6,614,881.47 and 2,617,962.21 is: 3,612,768.46
Step by Step Solution
- Step 1: Write the proportion equation
4,793,418.09 : 6,614,881.47 = 2,617,962.21 : x - Step 2: Convert to fraction form
4,793,418.09/6,614,881.47 = 2,617,962.21/x - Step 3: Cross multiply
4,793,418.09x = 6,614,881.47 × 2,617,962.21 - Step 4: Simplify right side
4,793,418.09x = 17,317,509,712,089.25 - Step 5: Solve for x
x = 17,317,509,712,089.25/4,793,418.09 - Step 6: Final answer
x = 3,612,768.46
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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.