Finding the Fourth Proportional to 6,239,683.53, 8,609,971.68 and 3,660,423.21
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Solution
The fourth proportional to 6,239,683.53, 8,609,971.68 and 3,660,423.21 is: 5,050,919.65
Step by Step Solution
- Step 1: Write the proportion equation
6,239,683.53 : 8,609,971.68 = 3,660,423.21 : x - Step 2: Convert to fraction form
6,239,683.53/8,609,971.68 = 3,660,423.21/x - Step 3: Cross multiply
6,239,683.53x = 8,609,971.68 × 3,660,423.21 - Step 4: Simplify right side
6,239,683.53x = 31,516,140,174,914.69 - Step 5: Solve for x
x = 31,516,140,174,914.69/6,239,683.53 - Step 6: Final answer
x = 5,050,919.65
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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.