Finding the Fourth Proportional to 5,920,257.60, 8,880,386.40 and 4,306,251.60
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Solution
The fourth proportional to 5,920,257.60, 8,880,386.40 and 4,306,251.60 is: 6,459,377.40
Step by Step Solution
- Step 1: Write the proportion equation
5,920,257.60 : 8,880,386.40 = 4,306,251.60 : x - Step 2: Convert to fraction form
5,920,257.60/8,880,386.40 = 4,306,251.60/x - Step 3: Cross multiply
5,920,257.60x = 8,880,386.40 × 4,306,251.60 - Step 4: Simplify right side
5,920,257.60x = 38,241,178,143,618.24 - Step 5: Solve for x
x = 38,241,178,143,618.24/5,920,257.60 - Step 6: Final answer
x = 6,459,377.40
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1.5x scale
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.