Finding the Fourth Proportional to 5,122,845.58, 7,684,268.34 and 1,928,688.34
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Solution
The fourth proportional to 5,122,845.58, 7,684,268.34 and 1,928,688.34 is: 2,893,032.50
Step by Step Solution
- Step 1: Write the proportion equation
5,122,845.58 : 7,684,268.34 = 1,928,688.34 : x - Step 2: Convert to fraction form
5,122,845.58/7,684,268.34 = 1,928,688.34/x - Step 3: Cross multiply
5,122,845.58x = 7,684,268.34 × 1,928,688.34 - Step 4: Simplify right side
5,122,845.58x = 14,820,558,748,789.16 - Step 5: Solve for x
x = 14,820,558,748,789.16/5,122,845.58 - Step 6: Final answer
x = 2,893,032.50
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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.