Finding the Fourth Proportional to 1,857,385.99, 2,559,721.91 and 1,448,840.72
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Solution
The fourth proportional to 1,857,385.99, 2,559,721.91 and 1,448,840.72 is: 1,996,692.85
Step by Step Solution
- Step 1: Write the proportion equation
1,857,385.99 : 2,559,721.91 = 1,448,840.72 : x - Step 2: Convert to fraction form
1,857,385.99/2,559,721.91 = 1,448,840.72/x - Step 3: Cross multiply
1,857,385.99x = 2,559,721.91 × 1,448,840.72 - Step 4: Simplify right side
1,857,385.99x = 3,708,629,334,239.28 - Step 5: Solve for x
x = 3,708,629,334,239.28/1,857,385.99 - Step 6: Final answer
x = 1,996,692.85
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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.