Finding the Fourth Proportional to 3,312,515.36, 4,968,765.44 and 1,038,213.05
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Solution
The fourth proportional to 3,312,515.36, 4,968,765.44 and 1,038,213.05 is: 1,557,317.19
Step by Step Solution
- Step 1: Write the proportion equation
3,312,515.36 : 4,968,765.44 = 1,038,213.05 : x - Step 2: Convert to fraction form
3,312,515.36/4,968,765.44 = 1,038,213.05/x - Step 3: Cross multiply
3,312,515.36x = 4,968,765.44 × 1,038,213.05 - Step 4: Simplify right side
3,312,515.36x = 5,158,637,092,162.10 - Step 5: Solve for x
x = 5,158,637,092,162.10/3,312,515.36 - Step 6: Final answer
x = 1,557,317.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.