Finding the Fourth Proportional to 3,071,683.13, 4,239,765.93 and 1,782,938.70
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Solution
The fourth proportional to 3,071,683.13, 4,239,765.93 and 1,782,938.70 is: 2,460,944.85
Step by Step Solution
- Step 1: Write the proportion equation
3,071,683.13 : 4,239,765.93 = 1,782,938.70 : x - Step 2: Convert to fraction form
3,071,683.13/4,239,765.93 = 1,782,938.70/x - Step 3: Cross multiply
3,071,683.13x = 4,239,765.93 × 1,782,938.70 - Step 4: Simplify right side
3,071,683.13x = 7,559,242,766,137.91 - Step 5: Solve for x
x = 7,559,242,766,137.91/3,071,683.13 - Step 6: Final answer
x = 2,460,944.85
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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.