Finding the Fourth Proportional to 1,639,203.52, 2,458,214.16 and 692,647.60
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Solution
The fourth proportional to 1,639,203.52, 2,458,214.16 and 692,647.60 is: 1,038,721.62
Step by Step Solution
- Step 1: Write the proportion equation
1,639,203.52 : 2,458,214.16 = 692,647.60 : x - Step 2: Convert to fraction form
1,639,203.52/2,458,214.16 = 692,647.60/x - Step 3: Cross multiply
1,639,203.52x = 2,458,214.16 × 692,647.60 - Step 4: Simplify right side
1,639,203.52x = 1,702,676,138,210.02 - Step 5: Solve for x
x = 1,702,676,138,210.02/1,639,203.52 - Step 6: Final answer
x = 1,038,721.62
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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.