Finding the Fourth Proportional to 4,265,829.90, 6,403,172.31 and 2,472,217.74
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Solution
The fourth proportional to 4,265,829.90, 6,403,172.31 and 2,472,217.74 is: 3,710,892.50
Step by Step Solution
- Step 1: Write the proportion equation
4,265,829.90 : 6,403,172.31 = 2,472,217.74 : x - Step 2: Convert to fraction form
4,265,829.90/6,403,172.31 = 2,472,217.74/x - Step 3: Cross multiply
4,265,829.90x = 6,403,172.31 × 2,472,217.74 - Step 4: Simplify right side
4,265,829.90x = 15,830,036,177,058.78 - Step 5: Solve for x
x = 15,830,036,177,058.78/4,265,829.90 - Step 6: Final answer
x = 3,710,892.50
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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.