Finding the Fourth Proportional to 1,439,038.44, 2,158,181.55 and 427,888.08
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Solution
The fourth proportional to 1,439,038.44, 2,158,181.55 and 427,888.08 is: 641,720.29
Step by Step Solution
- Step 1: Write the proportion equation
1,439,038.44 : 2,158,181.55 = 427,888.08 : x - Step 2: Convert to fraction form
1,439,038.44/2,158,181.55 = 427,888.08/x - Step 3: Cross multiply
1,439,038.44x = 2,158,181.55 × 427,888.08 - Step 4: Simplify right side
1,439,038.44x = 923,460,159,720.92 - Step 5: Solve for x
x = 923,460,159,720.92/1,439,038.44 - Step 6: Final answer
x = 641,720.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.