Finding the Fourth Proportional to 1,979,745.68, 2,732,056.20 and 1,074,327.44
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Solution
The fourth proportional to 1,979,745.68, 2,732,056.20 and 1,074,327.44 is: 1,482,575.75
Step by Step Solution
- Step 1: Write the proportion equation
1,979,745.68 : 2,732,056.20 = 1,074,327.44 : x - Step 2: Convert to fraction form
1,979,745.68/2,732,056.20 = 1,074,327.44/x - Step 3: Cross multiply
1,979,745.68x = 2,732,056.20 × 1,074,327.44 - Step 4: Simplify right side
1,979,745.68x = 2,935,122,943,282.13 - Step 5: Solve for x
x = 2,935,122,943,282.13/1,979,745.68 - Step 6: Final answer
x = 1,482,575.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.