Finding the Fourth Proportional to 2,385,775.05, 3,294,356.04 and 2,212,684.93
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Solution
The fourth proportional to 2,385,775.05, 3,294,356.04 and 2,212,684.93 is: 3,055,347.55
Step by Step Solution
- Step 1: Write the proportion equation
2,385,775.05 : 3,294,356.04 = 2,212,684.93 : x - Step 2: Convert to fraction form
2,385,775.05/3,294,356.04 = 2,212,684.93/x - Step 3: Cross multiply
2,385,775.05x = 3,294,356.04 × 2,212,684.93 - Step 4: Simplify right side
2,385,775.05x = 7,289,371,963,762.48 - Step 5: Solve for x
x = 7,289,371,963,762.48/2,385,775.05 - Step 6: Final answer
x = 3,055,347.55
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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.