Finding the Fourth Proportional to 6,698,589.70, 9,390,622.70 and 6,698,589.70
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Solution
The fourth proportional to 6,698,589.70, 9,390,622.70 and 6,698,589.70 is: 9,390,622.70
Step by Step Solution
- Step 1: Write the proportion equation
6,698,589.70 : 9,390,622.70 = 6,698,589.70 : x - Step 2: Convert to fraction form
6,698,589.70/9,390,622.70 = 6,698,589.70/x - Step 3: Cross multiply
6,698,589.70x = 9,390,622.70 × 6,698,589.70 - Step 4: Simplify right side
6,698,589.70x = 62,903,928,494,806.19 - Step 5: Solve for x
x = 62,903,928,494,806.19/6,698,589.70 - Step 6: Final answer
x = 9,390,622.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.