Finding the Fourth Proportional to 1,639,056.10, 2,458,584.15 and 1,583,943.70
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Solution
The fourth proportional to 1,639,056.10, 2,458,584.15 and 1,583,943.70 is: 2,375,915.55
Step by Step Solution
- Step 1: Write the proportion equation
1,639,056.10 : 2,458,584.15 = 1,583,943.70 : x - Step 2: Convert to fraction form
1,639,056.10/2,458,584.15 = 1,583,943.70/x - Step 3: Cross multiply
1,639,056.10x = 2,458,584.15 × 1,583,943.70 - Step 4: Simplify right side
1,639,056.10x = 3,894,258,875,312.36 - Step 5: Solve for x
x = 3,894,258,875,312.36/1,639,056.10 - Step 6: Final answer
x = 2,375,915.55
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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.