Finding the Fourth Proportional to 1,639,202.52, 2,458,212.66 and 692,646.60
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Solution
The fourth proportional to 1,639,202.52, 2,458,212.66 and 692,646.60 is: 1,038,720.12
Step by Step Solution
- Step 1: Write the proportion equation
1,639,202.52 : 2,458,212.66 = 692,646.60 : x - Step 2: Convert to fraction form
1,639,202.52/2,458,212.66 = 692,646.60/x - Step 3: Cross multiply
1,639,202.52x = 2,458,212.66 × 692,646.60 - Step 4: Simplify right side
1,639,202.52x = 1,702,672,641,025.96 - Step 5: Solve for x
x = 1,702,672,641,025.96/1,639,202.52 - Step 6: Final answer
x = 1,038,720.12
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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.