Finding the Fourth Proportional to 4,928,745.60, 7,387,588.80 and 2,088,374.40
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Solution
The fourth proportional to 4,928,745.60, 7,387,588.80 and 2,088,374.40 is: 3,130,218.64
Step by Step Solution
- Step 1: Write the proportion equation
4,928,745.60 : 7,387,588.80 = 2,088,374.40 : x - Step 2: Convert to fraction form
4,928,745.60/7,387,588.80 = 2,088,374.40/x - Step 3: Cross multiply
4,928,745.60x = 7,387,588.80 × 2,088,374.40 - Step 4: Simplify right side
4,928,745.60x = 15,428,051,327,646.72 - Step 5: Solve for x
x = 15,428,051,327,646.72/4,928,745.60 - Step 6: Final answer
x = 3,130,218.64
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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.