Finding the Fourth Proportional to 1,691,852.99, 2,334,775.23 and 917,485.29
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Solution
The fourth proportional to 1,691,852.99, 2,334,775.23 and 917,485.29 is: 1,266,139.52
Step by Step Solution
- Step 1: Write the proportion equation
1,691,852.99 : 2,334,775.23 = 917,485.29 : x - Step 2: Convert to fraction form
1,691,852.99/2,334,775.23 = 917,485.29/x - Step 3: Cross multiply
1,691,852.99x = 2,334,775.23 × 917,485.29 - Step 4: Simplify right side
1,691,852.99x = 2,142,121,928,981.37 - Step 5: Solve for x
x = 2,142,121,928,981.37/1,691,852.99 - Step 6: Final answer
x = 1,266,139.52
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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.