Finding the Fourth Proportional to 3,394,649.63, 4,696,952.50 and 2,959,972.76
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Solution
The fourth proportional to 3,394,649.63, 4,696,952.50 and 2,959,972.76 is: 4,095,518.82
Step by Step Solution
- Step 1: Write the proportion equation
3,394,649.63 : 4,696,952.50 = 2,959,972.76 : x - Step 2: Convert to fraction form
3,394,649.63/4,696,952.50 = 2,959,972.76/x - Step 3: Cross multiply
3,394,649.63x = 4,696,952.50 × 2,959,972.76 - Step 4: Simplify right side
3,394,649.63x = 13,902,851,455,013.90 - Step 5: Solve for x
x = 13,902,851,455,013.90/3,394,649.63 - Step 6: Final answer
x = 4,095,518.82
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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.