Finding the Fourth Proportional to 4,257,951.70, 6,386,927.55 and 4,047,999.70
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Solution
The fourth proportional to 4,257,951.70, 6,386,927.55 and 4,047,999.70 is: 6,071,999.55
Step by Step Solution
- Step 1: Write the proportion equation
4,257,951.70 : 6,386,927.55 = 4,047,999.70 : x - Step 2: Convert to fraction form
4,257,951.70/6,386,927.55 = 4,047,999.70/x - Step 3: Cross multiply
4,257,951.70x = 6,386,927.55 × 4,047,999.70 - Step 4: Simplify right side
4,257,951.70x = 25,854,280,806,321.73 - Step 5: Solve for x
x = 25,854,280,806,321.73/4,257,951.70 - Step 6: Final answer
x = 6,071,999.55
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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.