Finding the Fourth Proportional to 3,124,879.68, 4,312,450.08 and 1,766,671.68
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Solution
The fourth proportional to 3,124,879.68, 4,312,450.08 and 1,766,671.68 is: 2,438,072.57
Step by Step Solution
- Step 1: Write the proportion equation
3,124,879.68 : 4,312,450.08 = 1,766,671.68 : x - Step 2: Convert to fraction form
3,124,879.68/4,312,450.08 = 1,766,671.68/x - Step 3: Cross multiply
3,124,879.68x = 4,312,450.08 × 1,766,671.68 - Step 4: Simplify right side
3,124,879.68x = 7,618,683,427,749.74 - Step 5: Solve for x
x = 7,618,683,427,749.74/3,124,879.68 - Step 6: Final answer
x = 2,438,072.57
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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.