Finding the Fourth Proportional to 993,118.10, 1,492,787.55 and 974,455.70
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Solution
The fourth proportional to 993,118.10, 1,492,787.55 and 974,455.70 is: 1,464,735.50
Step by Step Solution
- Step 1: Write the proportion equation
993,118.10 : 1,492,787.55 = 974,455.70 : x - Step 2: Convert to fraction form
993,118.10/1,492,787.55 = 974,455.70/x - Step 3: Cross multiply
993,118.10x = 1,492,787.55 × 974,455.70 - Step 4: Simplify right side
993,118.10x = 1,454,655,336,986.54 - Step 5: Solve for x
x = 1,454,655,336,986.54/993,118.10 - Step 6: Final answer
x = 1,464,735.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.