Finding the Fourth Proportional to 1,809,070.99, 2,497,686.30 and 1,121,477.66
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Solution
The fourth proportional to 1,809,070.99, 2,497,686.30 and 1,121,477.66 is: 1,548,363.44
Step by Step Solution
- Step 1: Write the proportion equation
1,809,070.99 : 2,497,686.30 = 1,121,477.66 : x - Step 2: Convert to fraction form
1,809,070.99/2,497,686.30 = 1,121,477.66/x - Step 3: Cross multiply
1,809,070.99x = 2,497,686.30 × 1,121,477.66 - Step 4: Simplify right side
1,809,070.99x = 2,801,099,387,138.06 - Step 5: Solve for x
x = 2,801,099,387,138.06/1,809,070.99 - Step 6: Final answer
x = 1,548,363.44
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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.