Finding the Fourth Proportional to 6,450,206.38, 8,901,169.68 and 3,509,923.18
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Solution
The fourth proportional to 6,450,206.38, 8,901,169.68 and 3,509,923.18 is: 4,843,631.34
Step by Step Solution
- Step 1: Write the proportion equation
6,450,206.38 : 8,901,169.68 = 3,509,923.18 : x - Step 2: Convert to fraction form
6,450,206.38/8,901,169.68 = 3,509,923.18/x - Step 3: Cross multiply
6,450,206.38x = 8,901,169.68 × 3,509,923.18 - Step 4: Simplify right side
6,450,206.38x = 31,242,421,788,945.18 - Step 5: Solve for x
x = 31,242,421,788,945.18/6,450,206.38 - Step 6: Final answer
x = 4,843,631.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.