Finding the Fourth Proportional to 1,582,638.84, 2,183,245.29 and 1,038,699.14
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Solution
The fourth proportional to 1,582,638.84, 2,183,245.29 and 1,038,699.14 is: 1,432,882.18
Step by Step Solution
- Step 1: Write the proportion equation
1,582,638.84 : 2,183,245.29 = 1,038,699.14 : x - Step 2: Convert to fraction form
1,582,638.84/2,183,245.29 = 1,038,699.14/x - Step 3: Cross multiply
1,582,638.84x = 2,183,245.29 × 1,038,699.14 - Step 4: Simplify right side
1,582,638.84x = 2,267,734,994,215.82 - Step 5: Solve for x
x = 2,267,734,994,215.82/1,582,638.84 - Step 6: Final answer
x = 1,432,882.18
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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.