Finding the Fourth Proportional to 3,959,095.80, 5,938,643.70 and 2,963,767.80
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Solution
The fourth proportional to 3,959,095.80, 5,938,643.70 and 2,963,767.80 is: 4,445,651.70
Step by Step Solution
- Step 1: Write the proportion equation
3,959,095.80 : 5,938,643.70 = 2,963,767.80 : x - Step 2: Convert to fraction form
3,959,095.80/5,938,643.70 = 2,963,767.80/x - Step 3: Cross multiply
3,959,095.80x = 5,938,643.70 × 2,963,767.80 - Step 4: Simplify right side
3,959,095.80x = 17,600,760,973,732.86 - Step 5: Solve for x
x = 17,600,760,973,732.86/3,959,095.80 - Step 6: Final answer
x = 4,445,651.70
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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.