Finding the Fourth Proportional to 4,155,923.70, 6,233,885.55 and 3,316,115.70
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Solution
The fourth proportional to 4,155,923.70, 6,233,885.55 and 3,316,115.70 is: 4,974,173.55
Step by Step Solution
- Step 1: Write the proportion equation
4,155,923.70 : 6,233,885.55 = 3,316,115.70 : x - Step 2: Convert to fraction form
4,155,923.70/6,233,885.55 = 3,316,115.70/x - Step 3: Cross multiply
4,155,923.70x = 6,233,885.55 × 3,316,115.70 - Step 4: Simplify right side
4,155,923.70x = 20,672,285,744,358.14 - Step 5: Solve for x
x = 20,672,285,744,358.14/4,155,923.70 - Step 6: Final answer
x = 4,974,173.55
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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.