Finding the Fourth Proportional to 6,448,206.70, 8,898,524.85 and 3,547,535.25
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Solution
The fourth proportional to 6,448,206.70, 8,898,524.85 and 3,547,535.25 is: 4,895,598.43
Step by Step Solution
- Step 1: Write the proportion equation
6,448,206.70 : 8,898,524.85 = 3,547,535.25 : x - Step 2: Convert to fraction form
6,448,206.70/8,898,524.85 = 3,547,535.25/x - Step 3: Cross multiply
6,448,206.70x = 8,898,524.85 × 3,547,535.25 - Step 4: Simplify right side
6,448,206.70x = 31,567,830,578,375.96 - Step 5: Solve for x
x = 31,567,830,578,375.96/6,448,206.70 - Step 6: Final answer
x = 4,895,598.43
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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.