Finding the Fourth Proportional to 2,754,347.40, 4,129,552.80 and 1,236,788.10
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Solution
The fourth proportional to 2,754,347.40, 4,129,552.80 and 1,236,788.10 is: 1,854,298.32
Step by Step Solution
- Step 1: Write the proportion equation
2,754,347.40 : 4,129,552.80 = 1,236,788.10 : x - Step 2: Convert to fraction form
2,754,347.40/4,129,552.80 = 1,236,788.10/x - Step 3: Cross multiply
2,754,347.40x = 4,129,552.80 × 1,236,788.10 - Step 4: Simplify right side
2,754,347.40x = 5,107,381,761,361.68 - Step 5: Solve for x
x = 5,107,381,761,361.68/2,754,347.40 - Step 6: Final answer
x = 1,854,298.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.