Finding the Fourth Proportional to 6,909,304.70, 10,363,957.05 and 3,313,220.60
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Solution
The fourth proportional to 6,909,304.70, 10,363,957.05 and 3,313,220.60 is: 4,969,830.90
Step by Step Solution
- Step 1: Write the proportion equation
6,909,304.70 : 10,363,957.05 = 3,313,220.60 : x - Step 2: Convert to fraction form
6,909,304.70/10,363,957.05 = 3,313,220.60/x - Step 3: Cross multiply
6,909,304.70x = 10,363,957.05 × 3,313,220.60 - Step 4: Simplify right side
6,909,304.70x = 34,338,075,995,575.23 - Step 5: Solve for x
x = 34,338,075,995,575.23/6,909,304.70 - Step 6: Final answer
x = 4,969,830.90
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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.