Finding the Fourth Proportional to 4,790,908.76, 6,611,554.15 and 2,615,543.60
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Solution
The fourth proportional to 4,790,908.76, 6,611,554.15 and 2,615,543.60 is: 3,609,504.80
Step by Step Solution
- Step 1: Write the proportion equation
4,790,908.76 : 6,611,554.15 = 2,615,543.60 : x - Step 2: Convert to fraction form
4,790,908.76/6,611,554.15 = 2,615,543.60/x - Step 3: Cross multiply
4,790,908.76x = 6,611,554.15 × 2,615,543.60 - Step 4: Simplify right side
4,790,908.76x = 17,292,808,153,075.97 - Step 5: Solve for x
x = 17,292,808,153,075.97/4,790,908.76 - Step 6: Final answer
x = 3,609,504.80
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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.