Finding the Fourth Proportional to 2,379,598.98, 3,283,846.66 and 1,291,869.02
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Solution
The fourth proportional to 2,379,598.98, 3,283,846.66 and 1,291,869.02 is: 1,782,779.28
Step by Step Solution
- Step 1: Write the proportion equation
2,379,598.98 : 3,283,846.66 = 1,291,869.02 : x - Step 2: Convert to fraction form
2,379,598.98/3,283,846.66 = 1,291,869.02/x - Step 3: Cross multiply
2,379,598.98x = 3,283,846.66 × 1,291,869.02 - Step 4: Simplify right side
2,379,598.98x = 4,242,299,766,484.47 - Step 5: Solve for x
x = 4,242,299,766,484.47/2,379,598.98 - Step 6: Final answer
x = 1,782,779.28
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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.