Finding the Fourth Proportional to 6,447,982.41, 8,898,215.72 and 3,547,310.99
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Solution
The fourth proportional to 6,447,982.41, 8,898,215.72 and 3,547,310.99 is: 4,895,289.15
Step by Step Solution
- Step 1: Write the proportion equation
6,447,982.41 : 8,898,215.72 = 3,547,310.99 : x - Step 2: Convert to fraction form
6,447,982.41/8,898,215.72 = 3,547,310.99/x - Step 3: Cross multiply
6,447,982.41x = 8,898,215.72 × 3,547,310.99 - Step 4: Simplify right side
6,447,982.41x = 31,564,738,352,719.13 - Step 5: Solve for x
x = 31,564,738,352,719.13/6,447,982.41 - Step 6: Final answer
x = 4,895,289.15
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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.