Finding the Fourth Proportional to 1,932,150.19, 2,666,263.16 and 1,072,655.09
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Solution
The fourth proportional to 1,932,150.19, 2,666,263.16 and 1,072,655.09 is: 1,480,206.23
Step by Step Solution
- Step 1: Write the proportion equation
1,932,150.19 : 2,666,263.16 = 1,072,655.09 : x - Step 2: Convert to fraction form
1,932,150.19/2,666,263.16 = 1,072,655.09/x - Step 3: Cross multiply
1,932,150.19x = 2,666,263.16 × 1,072,655.09 - Step 4: Simplify right side
1,932,150.19x = 2,859,980,749,202.29 - Step 5: Solve for x
x = 2,859,980,749,202.29/1,932,150.19 - Step 6: Final answer
x = 1,480,206.23
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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.