Finding the Fourth Proportional to 6,652,987.76, 9,181,069.64 and 3,862,369.96
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Solution
The fourth proportional to 6,652,987.76, 9,181,069.64 and 3,862,369.96 is: 5,330,039.50
Step by Step Solution
- Step 1: Write the proportion equation
6,652,987.76 : 9,181,069.64 = 3,862,369.96 : x - Step 2: Convert to fraction form
6,652,987.76/9,181,069.64 = 3,862,369.96/x - Step 3: Cross multiply
6,652,987.76x = 9,181,069.64 × 3,862,369.96 - Step 4: Simplify right side
6,652,987.76x = 35,460,687,550,423.38 - Step 5: Solve for x
x = 35,460,687,550,423.38/6,652,987.76 - Step 6: Final answer
x = 5,330,039.50
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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.