Finding the Fourth Proportional to 2,399,868.69, 3,312,023.22 and 1,367,692.17
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Solution
The fourth proportional to 2,399,868.69, 3,312,023.22 and 1,367,692.17 is: 1,887,531.70
Step by Step Solution
- Step 1: Write the proportion equation
2,399,868.69 : 3,312,023.22 = 1,367,692.17 : x - Step 2: Convert to fraction form
2,399,868.69/3,312,023.22 = 1,367,692.17/x - Step 3: Cross multiply
2,399,868.69x = 3,312,023.22 × 1,367,692.17 - Step 4: Simplify right side
2,399,868.69x = 4,529,828,224,852.19 - Step 5: Solve for x
x = 4,529,828,224,852.19/2,399,868.69 - Step 6: Final answer
x = 1,887,531.70
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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.