Finding the Fourth Proportional to 6,447,632.84, 8,897,381.88 and 3,546,555.36
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Solution
The fourth proportional to 6,447,632.84, 8,897,381.88 and 3,546,555.36 is: 4,894,053.09
Step by Step Solution
- Step 1: Write the proportion equation
6,447,632.84 : 8,897,381.88 = 3,546,555.36 : x - Step 2: Convert to fraction form
6,447,632.84/8,897,381.88 = 3,546,555.36/x - Step 3: Cross multiply
6,447,632.84x = 8,897,381.88 × 3,546,555.36 - Step 4: Simplify right side
6,447,632.84x = 31,555,057,396,480.88 - Step 5: Solve for x
x = 31,555,057,396,480.88/6,447,632.84 - Step 6: Final answer
x = 4,894,053.09
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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.