Finding the Fourth Proportional to 2,069,390.16, 2,855,729.16 and 1,163,970
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Solution
The fourth proportional to 2,069,390.16, 2,855,729.16 and 1,163,970 is: 1,606,262.14
Step by Step Solution
- Step 1: Write the proportion equation
2,069,390.16 : 2,855,729.16 = 1,163,970 : x - Step 2: Convert to fraction form
2,069,390.16/2,855,729.16 = 1,163,970/x - Step 3: Cross multiply
2,069,390.16x = 2,855,729.16 × 1,163,970 - Step 4: Simplify right side
2,069,390.16x = 3,323,983,070,365.20 - Step 5: Solve for x
x = 3,323,983,070,365.20/2,069,390.16 - Step 6: Final answer
x = 1,606,262.14
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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.