Finding the Fourth Proportional to 2,031,212.13, 2,803,072.73 and 1,125,794.13
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Solution
The fourth proportional to 2,031,212.13, 2,803,072.73 and 1,125,794.13 is: 1,553,595.89
Step by Step Solution
- Step 1: Write the proportion equation
2,031,212.13 : 2,803,072.73 = 1,125,794.13 : x - Step 2: Convert to fraction form
2,031,212.13/2,803,072.73 = 1,125,794.13/x - Step 3: Cross multiply
2,031,212.13x = 2,803,072.73 × 1,125,794.13 - Step 4: Simplify right side
2,031,212.13x = 3,155,682,825,397.08 - Step 5: Solve for x
x = 3,155,682,825,397.08/2,031,212.13 - Step 6: Final answer
x = 1,553,595.89
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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.