Finding the Fourth Proportional to 3,441,699.08, 4,749,349.74 and 1,913,773.40
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Solution
The fourth proportional to 3,441,699.08, 4,749,349.74 and 1,913,773.40 is: 2,640,898.87
Step by Step Solution
- Step 1: Write the proportion equation
3,441,699.08 : 4,749,349.74 = 1,913,773.40 : x - Step 2: Convert to fraction form
3,441,699.08/4,749,349.74 = 1,913,773.40/x - Step 3: Cross multiply
3,441,699.08x = 4,749,349.74 × 1,913,773.40 - Step 4: Simplify right side
3,441,699.08x = 9,089,179,199,708.92 - Step 5: Solve for x
x = 9,089,179,199,708.92/3,441,699.08 - Step 6: Final answer
x = 2,640,898.87
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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.