Finding the Fourth Proportional to 3,465,887.79, 4,782,556.95 and 1,916,903.36
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Solution
The fourth proportional to 3,465,887.79, 4,782,556.95 and 1,916,903.36 is: 2,645,122.99
Step by Step Solution
- Step 1: Write the proportion equation
3,465,887.79 : 4,782,556.95 = 1,916,903.36 : x - Step 2: Convert to fraction form
3,465,887.79/4,782,556.95 = 1,916,903.36/x - Step 3: Cross multiply
3,465,887.79x = 4,782,556.95 × 1,916,903.36 - Step 4: Simplify right side
3,465,887.79x = 9,167,699,462,933.57 - Step 5: Solve for x
x = 9,167,699,462,933.57/3,465,887.79 - Step 6: Final answer
x = 2,645,122.99
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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.