Finding the Fourth Proportional to 2,031,091.19, 2,798,195.11 and 1,418,273.29
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Solution
The fourth proportional to 2,031,091.19, 2,798,195.11 and 1,418,273.29 is: 1,953,927.72
Step by Step Solution
- Step 1: Write the proportion equation
2,031,091.19 : 2,798,195.11 = 1,418,273.29 : x - Step 2: Convert to fraction form
2,031,091.19/2,798,195.11 = 1,418,273.29/x - Step 3: Cross multiply
2,031,091.19x = 2,798,195.11 × 1,418,273.29 - Step 4: Simplify right side
2,031,091.19x = 3,968,605,382,985.93 - Step 5: Solve for x
x = 3,968,605,382,985.93/2,031,091.19 - Step 6: Final answer
x = 1,953,927.72
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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.