Finding the Fourth Proportional to 1,897,309.80, 2,618,349.98 and 1,037,850.39
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Solution
The fourth proportional to 1,897,309.80, 2,618,349.98 and 1,037,850.39 is: 1,432,267.70
Step by Step Solution
- Step 1: Write the proportion equation
1,897,309.80 : 2,618,349.98 = 1,037,850.39 : x - Step 2: Convert to fraction form
1,897,309.80/2,618,349.98 = 1,037,850.39/x - Step 3: Cross multiply
1,897,309.80x = 2,618,349.98 × 1,037,850.39 - Step 4: Simplify right side
1,897,309.80x = 2,717,455,542,710.24 - Step 5: Solve for x
x = 2,717,455,542,710.24/1,897,309.80 - Step 6: Final answer
x = 1,432,267.70
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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.