Finding the Fourth Proportional to 1,444,398.68, 2,165,787.62 and 989,503.90
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Solution
The fourth proportional to 1,444,398.68, 2,165,787.62 and 989,503.90 is: 1,483,700.67
Step by Step Solution
- Step 1: Write the proportion equation
1,444,398.68 : 2,165,787.62 = 989,503.90 : x - Step 2: Convert to fraction form
1,444,398.68/2,165,787.62 = 989,503.90/x - Step 3: Cross multiply
1,444,398.68x = 2,165,787.62 × 989,503.90 - Step 4: Simplify right side
1,444,398.68x = 2,143,055,289,910.37 - Step 5: Solve for x
x = 2,143,055,289,910.37/1,444,398.68 - Step 6: Final answer
x = 1,483,700.67
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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.