Finding the Fourth Proportional to 1,989,879.40, 2,984,235.90 and 924,664.60
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Solution
The fourth proportional to 1,989,879.40, 2,984,235.90 and 924,664.60 is: 1,386,725.90
Step by Step Solution
- Step 1: Write the proportion equation
1,989,879.40 : 2,984,235.90 = 924,664.60 : x - Step 2: Convert to fraction form
1,989,879.40/2,984,235.90 = 924,664.60/x - Step 3: Cross multiply
1,989,879.40x = 2,984,235.90 × 924,664.60 - Step 4: Simplify right side
1,989,879.40x = 2,759,417,294,779.14 - Step 5: Solve for x
x = 2,759,417,294,779.14/1,989,879.40 - Step 6: Final answer
x = 1,386,725.90
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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.