Finding the Fourth Proportional to 1,582,639.84, 2,183,246.67 and 1,038,700.14
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Solution
The fourth proportional to 1,582,639.84, 2,183,246.67 and 1,038,700.14 is: 1,432,883.57
Step by Step Solution
- Step 1: Write the proportion equation
1,582,639.84 : 2,183,246.67 = 1,038,700.14 : x - Step 2: Convert to fraction form
1,582,639.84/2,183,246.67 = 1,038,700.14/x - Step 3: Cross multiply
1,582,639.84x = 2,183,246.67 × 1,038,700.14 - Step 4: Simplify right side
1,582,639.84x = 2,267,738,621,783.53 - Step 5: Solve for x
x = 2,267,738,621,783.53/1,582,639.84 - Step 6: Final answer
x = 1,432,883.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.