Finding the Fourth Proportional to 3,445,394, 4,754,643.72 and 1,917,861.98
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Solution
The fourth proportional to 3,445,394, 4,754,643.72 and 1,917,861.98 is: 2,646,649.53
Step by Step Solution
- Step 1: Write the proportion equation
3,445,394 : 4,754,643.72 = 1,917,861.98 : x - Step 2: Convert to fraction form
3,445,394/4,754,643.72 = 1,917,861.98/x - Step 3: Cross multiply
3,445,394x = 4,754,643.72 × 1,917,861.98 - Step 4: Simplify right side
3,445,394x = 9,118,750,419,033.77 - Step 5: Solve for x
x = 9,118,750,419,033.77/3,445,394 - Step 6: Final answer
x = 2,646,649.53
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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.