Finding the Fourth Proportional to 1,889,135.22, 2,607,032.88 and 1,029,693.90
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Solution
The fourth proportional to 1,889,135.22, 2,607,032.88 and 1,029,693.90 is: 1,420,991.90
Step by Step Solution
- Step 1: Write the proportion equation
1,889,135.22 : 2,607,032.88 = 1,029,693.90 : x - Step 2: Convert to fraction form
1,889,135.22/2,607,032.88 = 1,029,693.90/x - Step 3: Cross multiply
1,889,135.22x = 2,607,032.88 × 1,029,693.90 - Step 4: Simplify right side
1,889,135.22x = 2,684,445,853,635.43 - Step 5: Solve for x
x = 2,684,445,853,635.43/1,889,135.22 - Step 6: Final answer
x = 1,420,991.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.