Finding the Fourth Proportional to 6,912,497.70, 10,368,746.55 and 2,923,409.70
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Solution
The fourth proportional to 6,912,497.70, 10,368,746.55 and 2,923,409.70 is: 4,385,114.55
Step by Step Solution
- Step 1: Write the proportion equation
6,912,497.70 : 10,368,746.55 = 2,923,409.70 : x - Step 2: Convert to fraction form
6,912,497.70/10,368,746.55 = 2,923,409.70/x - Step 3: Cross multiply
6,912,497.70x = 10,368,746.55 × 2,923,409.70 - Step 4: Simplify right side
6,912,497.70x = 30,312,094,241,111.54 - Step 5: Solve for x
x = 30,312,094,241,111.54/6,912,497.70 - Step 6: Final answer
x = 4,385,114.55
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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.